559 lines
14 KiB
C
559 lines
14 KiB
C
/* mkgroup.c:
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Copyright 1997, 1998 Cygnus Solutions.
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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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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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#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 = GetProcAddress (h, "NetApiBufferFree")))
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return FALSE;
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if (!(netgroupenum = GetProcAddress (h, "NetGroupEnum")))
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return FALSE;
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if (!(netgroupgetusers = GetProcAddress (h, "NetGroupGetUsers")))
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return FALSE;
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if (!(netlocalgroupenum = GetProcAddress (h, "NetLocalGroupEnum")))
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return FALSE;
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if (!(netlocalgroupgetmembers = GetProcAddress (h, "NetLocalGroupGetMembers")))
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return FALSE;
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if (!(netgetdcname = GetProcAddress (h, "NetGetDCName")))
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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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int
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usage ()
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{
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fprintf (stderr, "Usage: mkgroup [OPTION]... [domain]\n\n");
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fprintf (stderr, "This program prints a /etc/group file to stdout\n\n");
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fprintf (stderr, "Options:\n");
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fprintf (stderr, " -l,--local print local group information\n");
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fprintf (stderr, " -d,--domain print global group information from the domain\n");
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fprintf (stderr, " specified (or from the current domain if there is\n");
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fprintf (stderr, " no domain specified)\n");
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fprintf (stderr, " -o,--id-offset offset change the default offset (10000) added to uids\n");
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fprintf (stderr, " in domain accounts.\n");
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fprintf (stderr, " -s,--no-sids don't print SIDs in pwd field\n");
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fprintf (stderr, " (this affects ntsec)\n");
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fprintf (stderr, " -u,--users print user list in gr_mem field\n");
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fprintf (stderr, " -?,--help print this message\n\n");
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fprintf (stderr, "One of `-l' or `-d' must be given on NT/W2K.\n");
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return 1;
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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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{0, no_argument, NULL, 0}
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};
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char opts[] = "ldo:suh";
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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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PSID sid, csid;
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SID_NAME_USE use;
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if (GetVersion () < 0x80000000)
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if (argc == 1)
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return usage ();
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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 ();
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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]);
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return 1;
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}
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mbstowcs (domain_name, argv[optind], (strlen (argv[optind]) + 1));
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domain_specified = 1;
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}
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}
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/* This takes Windows 9x/ME into account. */
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if (GetVersion () >= 0x80000000)
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{
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printf ("unknown::%ld:\n", DOMAIN_ALIAS_RID_ADMINS);
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return 0;
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}
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if (!load_netapi ())
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{
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fprintf (stderr, "Failed loading symbols from netapi32.dll "
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"with error %lu\n", GetLastError ());
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return 1;
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}
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/*
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* Get `Everyone' group
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*/
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if (AllocateAndInitializeSid (&sid_world_auth, 1, SECURITY_WORLD_RID,
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0, 0, 0, 0, 0, 0, 0, &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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printf ("%s:%s:%d:\n", name,
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print_sids ? put_sid (sid) : "",
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SECURITY_WORLD_RID);
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FreeSid (sid);
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}
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/*
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* Get `system' group
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*/
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if (AllocateAndInitializeSid (&sid_nt_auth, 1, SECURITY_LOCAL_SYSTEM_RID,
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0, 0, 0, 0, 0, 0, 0, &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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printf ("%s:%s:%d:\n", name,
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print_sids ? put_sid (sid) : "",
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SECURITY_LOCAL_SYSTEM_RID);
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FreeSid (sid);
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}
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if (print_local)
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{
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/*
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* Get `None' group
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*/
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GetComputerName (name, (len = 256, &len));
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csid = (PSID) malloc (1024);
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LookupAccountName (NULL, name,
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csid, (len = 1024, &len),
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dom, (len2 = 256, &len),
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&use);
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if (AllocateAndInitializeSid (GetSidIdentifierAuthority (csid),
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5,
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*GetSidSubAuthority (csid, 0),
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*GetSidSubAuthority (csid, 1),
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*GetSidSubAuthority (csid, 2),
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*GetSidSubAuthority (csid, 3),
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513,
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0,
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0,
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0,
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&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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printf ("%s:%s:513:\n", name,
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print_sids ? put_sid (sid) : "");
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FreeSid (sid);
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}
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free (csid);
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}
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if (print_domain)
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{
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if (domain_specified)
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rc = netgetdcname (NULL, domain_name, (LPBYTE *) & servername);
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else
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rc = netgetdcname (NULL, NULL, (LPBYTE *) & servername);
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if (rc != ERROR_SUCCESS)
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{
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fprintf (stderr, "Cannot get PDC, code = %ld\n", rc);
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exit (1);
|
|
}
|
|
|
|
enum_groups (servername, print_sids, print_users, id_offset);
|
|
}
|
|
|
|
if (print_local)
|
|
enum_local_groups (print_sids, print_users);
|
|
|
|
return 0;
|
|
}
|