648 lines
16 KiB
C
648 lines
16 KiB
C
/* mkgroup.c:
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Copyright 1997, 1998, 1999, 2000, 2001, 2002 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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#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 <windows.h>
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#include <sys/cygwin.h>
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#include <getopt.h>
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#include <lmaccess.h>
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#include <lmapibuf.h>
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#include <ntsecapi.h>
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#include <ntdef.h>
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static const char version[] = "$Revision$";
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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 (*netapibufferfree)(PVOID);
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NET_API_STATUS WINAPI (*netgroupenum)(LPWSTR,DWORD,PBYTE*,DWORD,PDWORD,PDWORD,PDWORD);
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NET_API_STATUS WINAPI (*netlocalgroupenum)(LPWSTR,DWORD,PBYTE*,DWORD,PDWORD,PDWORD,PDWORD);
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NET_API_STATUS WINAPI (*netlocalgroupgetmembers)(LPWSTR,LPWSTR,DWORD,PBYTE*,DWORD,PDWORD,PDWORD,PDWORD);
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NET_API_STATUS WINAPI (*netgetdcname)(LPWSTR,LPWSTR,PBYTE*);
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NET_API_STATUS WINAPI (*netgroupgetusers)(LPWSTR,LPWSTR,DWORD,PBYTE*,DWORD,PDWORD,PDWORD,PDWORD);
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NTSTATUS NTAPI (*lsaclose)(LSA_HANDLE);
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NTSTATUS NTAPI (*lsaopenpolicy)(PLSA_UNICODE_STRING,PLSA_OBJECT_ATTRIBUTES,ACCESS_MASK,PLSA_HANDLE);
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NTSTATUS NTAPI (*lsaqueryinformationpolicy)(LSA_HANDLE,POLICY_INFORMATION_CLASS,PVOID*);
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NTSTATUS NTAPI (*lsafreememory)(PVOID);
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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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BOOL
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load_netapi ()
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{
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HANDLE h = LoadLibrary ("netapi32.dll");
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if (!h)
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return FALSE;
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if (!(netapibufferfree = (void *) GetProcAddress (h, "NetApiBufferFree")))
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return FALSE;
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if (!(netgroupenum = (void *) GetProcAddress (h, "NetGroupEnum")))
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return FALSE;
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if (!(netgroupgetusers = (void *) GetProcAddress (h, "NetGroupGetUsers")))
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return FALSE;
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if (!(netlocalgroupenum = (void *) GetProcAddress (h, "NetLocalGroupEnum")))
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return FALSE;
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if (!(netlocalgroupgetmembers = (void *) GetProcAddress (h, "NetLocalGroupGetMembers")))
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return FALSE;
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if (!(netgetdcname = (void *) GetProcAddress (h, "NetGetDCName")))
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return FALSE;
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if (!(h = LoadLibrary ("advapi32.dll")))
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return FALSE;
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if (!(lsaclose = (void *) GetProcAddress (h, "LsaClose")))
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return FALSE;
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if (!(lsaopenpolicy = (void *) GetProcAddress (h, "LsaOpenPolicy")))
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return FALSE;
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if (!(lsaqueryinformationpolicy = (void *) GetProcAddress (h, "LsaQueryInformationPolicy")))
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return FALSE;
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if (!(lsafreememory = (void *) GetProcAddress (h, "LsaFreeMemory")))
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return FALSE;
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return TRUE;
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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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WideCharToMultiByte (CP_ACP, 0, wcs, -1, mbs, size, NULL, NULL);
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else
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*mbs = '\0';
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}
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void
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enum_local_users (LPWSTR groupname)
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{
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LOCALGROUP_MEMBERS_INFO_1 *buf1;
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DWORD entries = 0;
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DWORD total = 0;
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DWORD reshdl = 0;
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if (!netlocalgroupgetmembers (NULL, groupname,
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1, (LPBYTE *) &buf1,
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MAX_PREFERRED_LENGTH,
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&entries, &total, &reshdl))
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{
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int i, first = 1;
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for (i = 0; i < entries; ++i)
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if (buf1[i].lgrmi1_sidusage == SidTypeUser)
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{
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char user[256];
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if (!first)
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printf (",");
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first = 0;
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uni2ansi (buf1[i].lgrmi1_name, user, sizeof (user));
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printf ("%s", user);
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}
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netapibufferfree (buf1);
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}
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}
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int
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enum_local_groups (int print_sids, int print_users)
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{
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LOCALGROUP_INFO_0 *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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do
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{
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DWORD i;
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rc = netlocalgroupenum (NULL, 0, (LPBYTE *) &buffer, 1024,
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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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fprintf (stderr, "Access denied\n");
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exit (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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fprintf (stderr, "NetLocalGroupEnum() failed with %ld\n", rc);
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exit (1);
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}
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for (i = 0; i < entriesread; i++)
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{
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char localgroup_name[100];
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char domain_name[100];
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DWORD domname_len = 100;
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char psid_buffer[1024];
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PSID psid = (PSID) psid_buffer;
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DWORD sid_length = 1024;
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DWORD gid;
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SID_NAME_USE acc_type;
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uni2ansi (buffer[i].lgrpi0_name, localgroup_name, sizeof (localgroup_name));
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if (!LookupAccountName (NULL, localgroup_name, psid,
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&sid_length, domain_name, &domname_len,
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&acc_type))
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{
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fprintf (stderr, "LookupAccountName(%s) failed with %ld\n",
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localgroup_name, GetLastError ());
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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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char domname[356];
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strcpy (domname, domain_name);
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strcat (domname, "\\");
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strcat (domname, localgroup_name);
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sid_length = 1024;
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domname_len = 100;
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if (!LookupAccountName (NULL, domname,
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psid, &sid_length,
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domain_name, &domname_len,
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&acc_type))
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{
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fprintf (stderr,
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"LookupAccountName(%s) failed with error %ld\n",
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localgroup_name, GetLastError ());
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continue;
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}
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}
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gid = *GetSidSubAuthority (psid, *GetSidSubAuthorityCount(psid) - 1);
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printf ("%s:%s:%ld:", localgroup_name,
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print_sids ? put_sid (psid) : "",
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gid);
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if (print_users)
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enum_local_users (buffer[i].lgrpi0_name);
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printf ("\n");
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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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enum_users (LPWSTR servername, LPWSTR groupname)
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{
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GROUP_USERS_INFO_0 *buf1;
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DWORD entries = 0;
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DWORD total = 0;
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DWORD reshdl = 0;
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if (!netgroupgetusers (servername, groupname,
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0, (LPBYTE *) &buf1,
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MAX_PREFERRED_LENGTH,
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&entries, &total, &reshdl))
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{
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int i, first = 1;
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for (i = 0; i < entries; ++i)
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{
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char user[256];
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if (!first)
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printf (",");
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first = 0;
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uni2ansi (buf1[i].grui0_name, user, sizeof (user));
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printf ("%s", user);
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}
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netapibufferfree (buf1);
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}
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}
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void
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enum_groups (LPWSTR servername, int print_sids, int print_users, int id_offset)
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{
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GROUP_INFO_2 *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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char ansi_srvname[256];
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if (servername)
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uni2ansi (servername, ansi_srvname, sizeof (ansi_srvname));
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do
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{
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DWORD i;
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rc = netgroupenum (servername, 2, (LPBYTE *) & buffer, 1024,
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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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fprintf (stderr, "Access denied\n");
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exit (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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fprintf (stderr, "NetGroupEnum() failed with %ld\n", rc);
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exit (1);
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}
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for (i = 0; i < entriesread; i++)
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{
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char groupname[100];
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char domain_name[100];
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DWORD domname_len = 100;
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char psid_buffer[1024];
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PSID psid = (PSID) psid_buffer;
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DWORD sid_length = 1024;
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SID_NAME_USE acc_type;
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int gid = buffer[i].grpi2_group_id;
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uni2ansi (buffer[i].grpi2_name, groupname, sizeof (groupname));
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if (print_sids)
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{
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if (!LookupAccountName (servername ? ansi_srvname : NULL,
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groupname,
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psid, &sid_length,
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domain_name, &domname_len,
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&acc_type))
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{
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fprintf (stderr,
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"LookupAccountName (%s, %s) failed with error %ld\n",
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servername ? ansi_srvname : "NULL",
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groupname,
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GetLastError ());
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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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char domname[356];
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strcpy (domname, domain_name);
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strcat (domname, "\\");
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strcat (domname, groupname);
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sid_length = 1024;
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domname_len = 100;
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if (!LookupAccountName (servername ? ansi_srvname : NULL,
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domname,
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psid, &sid_length,
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domain_name, &domname_len,
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&acc_type))
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{
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fprintf (stderr,
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"LookupAccountName(%s,%s) failed with error %ld\n",
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servername ? ansi_srvname : "NULL",
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domname,
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GetLastError ());
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continue;
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}
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}
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}
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printf ("%s:%s:%d:", groupname,
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print_sids ? put_sid (psid) : "",
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gid + id_offset);
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if (print_users)
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enum_users (servername, buffer[i].grpi2_name);
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printf ("\n");
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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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if (servername)
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netapibufferfree (servername);
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}
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void
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print_special (int print_sids,
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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[256], dom[256];
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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 = 256, &len),
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dom, (len2 = 256, &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:%s:%lu:\n", name,
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print_sids ? put_sid (sid) : "",
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rid);
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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, int status)
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{
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fprintf (stream, "Usage: mkgroup [OPTION]... [domain]\n\n"
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"This program prints a /etc/group file to stdout\n\n"
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"Options:\n"
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" -l,--local print local group information\n"
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" -d,--domain print global group information from the domain\n"
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" specified (or from the current domain if there is\n"
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" no domain specified)\n"
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" -o,--id-offset offset change the default offset (10000) added to uids\n"
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" in domain accounts.\n"
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" -s,--no-sids don't print SIDs in pwd field\n"
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" (this affects ntsec)\n"
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" -u,--users print user list in gr_mem field\n"
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" -h,--help print this message\n\n"
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" -v,--version print version information and exit\n\n"
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"One of `-l' or `-d' must be given on NT/W2K.\n");
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return status;
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}
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struct option longopts[] = {
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{"local", no_argument, NULL, 'l'},
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{"domain", no_argument, NULL, 'd'},
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{"id-offset", required_argument, NULL, 'o'},
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{"no-sids", no_argument, NULL, 's'},
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{"users", no_argument, NULL, 'u'},
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{"help", no_argument, NULL, 'h'},
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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[] = "ldo:suhv";
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void
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print_version ()
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{
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const char *v = strchr (version, ':');
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int len;
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if (!v)
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{
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v = "?";
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len = 1;
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}
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else
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{
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v += 2;
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len = strchr (v, ' ') - v;
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}
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printf ("\
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mkgroup (cygwin) %.*s\n\
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group File Generator\n\
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Copyright 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.\n\
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Compiled on %s", len, v, __DATE__);
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}
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int
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main (int argc, char **argv)
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{
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LPWSTR servername;
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DWORD rc = ERROR_SUCCESS;
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WCHAR domain_name[100];
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int print_local = 0;
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int print_domain = 0;
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int print_sids = 1;
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int print_users = 0;
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int domain_specified = 0;
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int id_offset = 10000;
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int i;
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char name[256], dom[256];
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DWORD len, len2;
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char buf[1024];
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PSID psid = NULL;
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SID_NAME_USE use;
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LSA_OBJECT_ATTRIBUTES oa = { 0, 0, 0, 0, 0, 0 };
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LSA_HANDLE lsa = INVALID_HANDLE_VALUE;
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NTSTATUS ret;
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PPOLICY_PRIMARY_DOMAIN_INFO pdi;
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if (GetVersion () < 0x80000000)
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{
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if (argc == 1)
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return usage(stderr, 1);
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else
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{
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while ((i = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
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switch (i)
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{
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case 'l':
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print_local = 1;
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break;
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case 'd':
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print_domain = 1;
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break;
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case 'o':
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id_offset = strtol (optarg, NULL, 10);
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break;
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case 's':
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print_sids = 0;
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break;
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case 'u':
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print_users = 1;
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break;
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case 'h':
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return usage (stdout, 0);
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case 'v':
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print_version ();
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return 0;
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default:
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fprintf (stderr, "Try `%s --help' for more information.\n", argv[0]);
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return 1;
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}
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if (!print_local && !print_domain)
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{
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fprintf (stderr, "%s: Specify one of `-l' or `-d'\n", argv[0]);
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return 1;
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}
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if (optind < argc)
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{
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if (!print_domain)
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{
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fprintf (stderr, "%s: A domain name is only accepted "
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|
"when `-d' is given.\n", argv[0]);
|
|
return 1;
|
|
}
|
|
mbstowcs (domain_name, argv[optind], (strlen (argv[optind]) + 1));
|
|
domain_specified = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* This takes Windows 9x/ME into account. */
|
|
if (GetVersion () >= 0x80000000)
|
|
{
|
|
printf ("unknown::%ld:\n", DOMAIN_ALIAS_RID_ADMINS);
|
|
return 0;
|
|
}
|
|
|
|
if (!load_netapi ())
|
|
{
|
|
fprintf (stderr, "Failed loading symbols from netapi32.dll "
|
|
"with error %lu\n", GetLastError ());
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Get `Everyone' group
|
|
*/
|
|
print_special (print_sids, &sid_world_auth, 1, SECURITY_WORLD_RID,
|
|
0, 0, 0, 0, 0, 0, 0);
|
|
/*
|
|
* Get `system' group
|
|
*/
|
|
print_special (print_sids, &sid_nt_auth, 1, SECURITY_LOCAL_SYSTEM_RID,
|
|
0, 0, 0, 0, 0, 0, 0);
|
|
if (print_local)
|
|
{
|
|
/*
|
|
* Get `None' group
|
|
*/
|
|
len = 256;
|
|
GetComputerName (name, &len);
|
|
len = 1024;
|
|
len2 = 256;
|
|
if (LookupAccountName (NULL, name, (PSID) buf, &len, dom, &len, &use))
|
|
psid = (PSID) buf;
|
|
else
|
|
{
|
|
ret = lsaopenpolicy (NULL, &oa, POLICY_VIEW_LOCAL_INFORMATION, &lsa);
|
|
if (ret == STATUS_SUCCESS && lsa != INVALID_HANDLE_VALUE)
|
|
{
|
|
ret = lsaqueryinformationpolicy (lsa,
|
|
PolicyPrimaryDomainInformation,
|
|
(PVOID *) &pdi);
|
|
if (ret == STATUS_SUCCESS)
|
|
{
|
|
if (pdi->Sid)
|
|
{
|
|
CopySid (1024, (PSID) buf, pdi->Sid);
|
|
psid = (PSID) buf;
|
|
}
|
|
lsafreememory (pdi);
|
|
}
|
|
lsaclose (lsa);
|
|
}
|
|
}
|
|
if (!psid)
|
|
fprintf (stderr,
|
|
"WARNING: Group 513 couldn't get retrieved. Try mkgroup -d\n");
|
|
else
|
|
print_special (print_sids, GetSidIdentifierAuthority (psid), 5,
|
|
*GetSidSubAuthority (psid, 0),
|
|
*GetSidSubAuthority (psid, 1),
|
|
*GetSidSubAuthority (psid, 2),
|
|
*GetSidSubAuthority (psid, 3),
|
|
513,
|
|
0,
|
|
0,
|
|
0);
|
|
}
|
|
|
|
if (print_domain)
|
|
{
|
|
if (domain_specified)
|
|
rc = netgetdcname (NULL, domain_name, (LPBYTE *) & servername);
|
|
|
|
else
|
|
rc = netgetdcname (NULL, NULL, (LPBYTE *) & servername);
|
|
|
|
if (rc != ERROR_SUCCESS)
|
|
{
|
|
fprintf (stderr, "Cannot get PDC, code = %ld\n", rc);
|
|
return 1;
|
|
}
|
|
|
|
enum_groups (servername, print_sids, print_users, id_offset);
|
|
}
|
|
|
|
if (print_local)
|
|
enum_local_groups (print_sids, print_users);
|
|
|
|
return 0;
|
|
}
|