773f4fa586
throughout. (enum_unix_groups): Introduce numeric_psid and rearrange code to avoid potential heap corruption. * mkpasswd.c: Ditto.
799 lines
22 KiB
C
799 lines
22 KiB
C
/* mkgroup.c:
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Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
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2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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 <errno.h>
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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 <wctype.h>
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#include <locale.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <inttypes.h>
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#include <getopt.h>
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#include <io.h>
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#include <grp.h>
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#include <sys/fcntl.h>
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#include <sys/cygwin.h>
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#include <cygwin/version.h>
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#include <windows.h>
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#include <lm.h>
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#include <wininet.h>
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#include <iptypes.h>
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#include <ntsecapi.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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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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#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 domain;
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BOOL with_dom;
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} domlist_t;
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static 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, "mkgroup (%d): [%" PRIu32 "] %s",
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line, (unsigned int) code, buf);
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else
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fprintf (stderr, "mkgroup (%d): error %" PRIu32 ,
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line, (unsigned int) code);
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}
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static char *
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put_sid (PSID psid)
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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 (psid)->Value[5]);
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strcat (s, t);
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for (i = 0; i < *GetSidSubAuthorityCount (psid); ++i)
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{
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sprintf(t, "-%" PRIu32 , (unsigned int) *GetSidSubAuthority (psid, 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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typedef struct {
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BYTE Revision;
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BYTE SubAuthorityCount;
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SID_IDENTIFIER_AUTHORITY IdentifierAuthority;
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DWORD SubAuthority[8];
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} DBGSID, *PDBGSID;
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#define MAX_BUILTIN_SIDS 100 /* Should be enough for the forseable future. */
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DBGSID builtin_sid_list[MAX_BUILTIN_SIDS];
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DWORD builtin_sid_cnt;
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typedef struct {
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PSID psid;
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int buffer[10];
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} sidbuf;
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static sidbuf curr_pgrp;
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static BOOL got_curr_pgrp = FALSE;
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static void
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fetch_current_pgrp_sid ()
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{
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DWORD len;
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HANDLE ptok;
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if (!OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &ptok)
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|| !GetTokenInformation (ptok, TokenPrimaryGroup, &curr_pgrp,
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sizeof curr_pgrp, &len)
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|| !CloseHandle (ptok))
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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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}
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static void
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enum_unix_groups (domlist_t *mach, const char *sep, DWORD id_offset,
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char *unix_grp_list)
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{
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WCHAR machine[INTERNET_MAX_HOST_NAME_LENGTH + 1];
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SID_IDENTIFIER_AUTHORITY auth = { { 0, 0, 0, 0, 0, 22 } };
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char *gstr, *grp_list;
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WCHAR grp[GNLEN + sizeof ("Unix Group\\") + 1];
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WCHAR dom[MAX_DOMAIN_NAME_LEN + 1];
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DWORD glen, dlen, sidlen;
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PSID psid;
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PSID numeric_psid;
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char psid_buffer[SECURITY_MAX_SID_SIZE];
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SID_NAME_USE acc_type;
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int ret = mbstowcs (machine, mach->str, 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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program_invocation_short_name, mach->str);
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return;
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}
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if (!AllocateAndInitializeSid (&auth, 2, 2, 0, 0, 0, 0, 0, 0, 0,
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&numeric_psid))
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return;
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if (!(grp_list = strdup (unix_grp_list)))
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{
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FreeSid (numeric_psid);
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return;
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}
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for (gstr = strtok (grp_list, ","); gstr; gstr = strtok (NULL, ","))
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{
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if (!isdigit ((unsigned char) gstr[0]) && gstr[0] != '-')
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{
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PWCHAR p = wcpcpy (grp, L"Unix Group\\");
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ret = mbstowcs (p, gstr, GNLEN + 1);
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if (ret < 1 || ret >= GNLEN + 1)
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{
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fprintf (stderr, "%s: Invalid group name '%s'. Skipping...\n",
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program_invocation_short_name, gstr);
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continue;
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}
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psid = (PSID) psid_buffer;
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sidlen = SECURITY_MAX_SID_SIZE;
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dlen = MAX_DOMAIN_NAME_LEN + 1;
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if (LookupAccountNameW (machine, grp, psid, &sidlen,
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dom, &dlen, &acc_type))
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printf ("%s%s%ls:%s:%" PRIu32 ":\n",
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"Unix_Group",
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sep,
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p,
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put_sid (psid),
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(unsigned int) (id_offset +
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*GetSidSubAuthority (psid,
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*GetSidSubAuthorityCount(psid) - 1)));
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}
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else
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{
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DWORD start, stop;
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char *p = gstr;
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if (*p == '-')
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start = 0;
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else
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start = strtol (p, &p, 10);
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if (!*p)
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stop = start;
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else if (*p++ != '-' || !isdigit ((unsigned char) *p)
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|| (stop = strtol (p, &p, 10)) < start || *p)
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{
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fprintf (stderr, "%s: Malformed unix group list entry '%s'. "
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"Skipping...\n",
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program_invocation_short_name, gstr);
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continue;
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}
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for (; start <= stop; ++ start)
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{
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psid = numeric_psid;
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*GetSidSubAuthority (psid, *GetSidSubAuthorityCount(psid) - 1)
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= start;
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glen = GNLEN + 1;
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dlen = MAX_DOMAIN_NAME_LEN + 1;
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if (LookupAccountSidW (machine, psid, grp, &glen,
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dom, &dlen, &acc_type)
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&& !iswdigit (grp[0]))
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printf ("%s%s%ls:%s:%" PRIu32 ":\n",
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"Unix_Group",
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sep,
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grp,
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put_sid (psid),
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(unsigned int) (id_offset + start));
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}
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}
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}
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free (grp_list);
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FreeSid (numeric_psid);
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}
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static int
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enum_local_groups (domlist_t *mach, const char *sep,
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DWORD id_offset, char *disp_groupname, int print_builtin,
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int print_current)
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{
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WCHAR machine[INTERNET_MAX_HOST_NAME_LENGTH + 1];
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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_PTR resume_handle = 0;
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WCHAR gname[GNLEN + 1];
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DWORD rc;
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int ret = mbstowcs (machine, mach->str, 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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program_invocation_short_name, mach->str);
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return 1;
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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_groupname)
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{
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mbstowcs (gname, disp_groupname, GNLEN + 1);
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rc = NetLocalGroupGetInfo (machine, gname, 0, (void *) &buffer);
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if (rc == ERROR_SUCCESS)
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entriesread = 1;
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/* Allow further searching for the group and avoid annoying
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error messages just because the group is not a local group or
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the group hasn't been found. */
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else if (rc == ERROR_NO_SUCH_ALIAS || rc == NERR_GroupNotFound)
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return 0;
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}
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else
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rc = NetLocalGroupEnum (machine, 0, (void *) &buffer,
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MAX_PREFERRED_LENGTH, &entriesread,
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&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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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[SECURITY_MAX_SID_SIZE];
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PSID psid = (PSID) psid_buffer;
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DWORD sid_length = SECURITY_MAX_SID_SIZE;
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DWORD gid;
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SID_NAME_USE acc_type;
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PDBGSID pdsid;
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BOOL is_builtin = FALSE;
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if (!LookupAccountNameW (machine, buffer[i].lgrpi0_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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print_win_error (GetLastError ());
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fprintf (stderr, " (%ls)\n", buffer[i].lgrpi0_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 + GNLEN + 2];
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wcscpy (domname, domain_name);
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wcscat (domname, L"\\");
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wcscat (domname, buffer[i].lgrpi0_name);
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sid_length = SECURITY_MAX_SID_SIZE;
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domname_len = MAX_DOMAIN_NAME_LEN + 1;
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if (!LookupAccountNameW (machine, 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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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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}
|
|
|
|
/* Store all local SIDs with prefix "S-1-5-32-" and check if it
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has been printed already. This allows to get all builtin
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groups exactly once and not once per domain. */
|
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pdsid = (PDBGSID) psid;
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if (pdsid->IdentifierAuthority.Value[5] == sid_nt_auth.Value[5]
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&& pdsid->SubAuthority[0] == SECURITY_BUILTIN_DOMAIN_RID)
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{
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int b;
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|
if (!print_builtin)
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goto skip_group;
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is_builtin = TRUE;
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if (builtin_sid_cnt)
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for (b = 0; b < builtin_sid_cnt; b++)
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if (EqualSid (&builtin_sid_list[b], psid))
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goto skip_group;
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if (builtin_sid_cnt < MAX_BUILTIN_SIDS)
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CopySid (sizeof (DBGSID), &builtin_sid_list[builtin_sid_cnt++],
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psid);
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}
|
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if (!print_current)
|
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/* fall through */;
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else if (EqualSid (curr_pgrp.psid, psid))
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got_curr_pgrp = TRUE;
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gid = *GetSidSubAuthority (psid, *GetSidSubAuthorityCount(psid) - 1);
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printf ("%ls%s%ls:%s:%" PRIu32 ":\n",
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mach->with_dom && !is_builtin ? domain_name : L"",
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mach->with_dom && !is_builtin ? sep : "",
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buffer[i].lgrpi0_name,
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put_sid (psid),
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(unsigned int) (gid + (is_builtin ? 0 : id_offset)));
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skip_group:
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;
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}
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|
|
NetApiBufferFree (buffer);
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|
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|
}
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while (rc == ERROR_MORE_DATA);
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|
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/* Return 1 if the single group we're looking for has been found here to
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avoid calling enum_groups for the same group, thus avoiding a spurious
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error message "group name could not be found" in enum_groups. */
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return disp_groupname && entriesread ? 1 : 0;
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}
|
|
|
|
static void
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|
enum_groups (domlist_t *mach, const char *sep, DWORD id_offset,
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char *disp_groupname, int print_current)
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|
{
|
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WCHAR machine[INTERNET_MAX_HOST_NAME_LENGTH + 1];
|
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GROUP_INFO_2 *buffer;
|
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DWORD entriesread = 0;
|
|
DWORD totalentries = 0;
|
|
DWORD_PTR resume_handle = 0;
|
|
WCHAR gname[GNLEN + 1];
|
|
DWORD rc;
|
|
|
|
int ret = mbstowcs (machine, mach->str, INTERNET_MAX_HOST_NAME_LENGTH + 1);
|
|
if (ret < 1 || ret >= INTERNET_MAX_HOST_NAME_LENGTH + 1)
|
|
{
|
|
fprintf (stderr, "%s: Invalid machine name '%s'. Skipping...\n",
|
|
program_invocation_short_name, mach->str);
|
|
return;
|
|
}
|
|
|
|
do
|
|
{
|
|
DWORD i;
|
|
|
|
if (disp_groupname != NULL)
|
|
{
|
|
mbstowcs (gname, disp_groupname, GNLEN + 1);
|
|
rc = NetGroupGetInfo (machine, (LPWSTR) & gname, 2, (void *) &buffer);
|
|
entriesread=1;
|
|
/* Avoid annoying error messages just because the group hasn't been
|
|
found. */
|
|
if (rc == NERR_GroupNotFound)
|
|
return;
|
|
}
|
|
else
|
|
rc = NetGroupEnum (machine, 2, (void *) & buffer, MAX_PREFERRED_LENGTH,
|
|
&entriesread, &totalentries, &resume_handle);
|
|
switch (rc)
|
|
{
|
|
case ERROR_ACCESS_DENIED:
|
|
print_win_error (rc);
|
|
return;
|
|
|
|
case ERROR_MORE_DATA:
|
|
case ERROR_SUCCESS:
|
|
break;
|
|
|
|
default:
|
|
print_win_error (rc);
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < entriesread; i++)
|
|
{
|
|
WCHAR domain_name[MAX_DOMAIN_NAME_LEN + 1];
|
|
DWORD domname_len = MAX_DOMAIN_NAME_LEN + 1;
|
|
char psid_buffer[SECURITY_MAX_SID_SIZE];
|
|
PSID psid = (PSID) psid_buffer;
|
|
DWORD sid_length = SECURITY_MAX_SID_SIZE;
|
|
SID_NAME_USE acc_type;
|
|
|
|
int gid = buffer[i].grpi2_group_id;
|
|
if (!LookupAccountNameW (machine, buffer[i].grpi2_name,
|
|
psid, &sid_length,
|
|
domain_name, &domname_len,
|
|
&acc_type))
|
|
{
|
|
print_win_error (GetLastError ());
|
|
fprintf(stderr, " (%ls)\n", buffer[i].grpi2_name);
|
|
continue;
|
|
}
|
|
else if (acc_type == SidTypeDomain)
|
|
{
|
|
WCHAR domname[MAX_DOMAIN_NAME_LEN + GNLEN + 2];
|
|
|
|
wcscpy (domname, machine);
|
|
wcscat (domname, L"\\");
|
|
wcscat (domname, buffer[i].grpi2_name);
|
|
sid_length = SECURITY_MAX_SID_SIZE;
|
|
domname_len = MAX_DOMAIN_NAME_LEN + 1;
|
|
if (!LookupAccountNameW (machine, domname, psid, &sid_length,
|
|
domain_name, &domname_len, &acc_type))
|
|
{
|
|
print_win_error (GetLastError ());
|
|
fprintf(stderr, " (%ls)\n", domname);
|
|
continue;
|
|
}
|
|
}
|
|
if (!print_current)
|
|
/* fall through */;
|
|
else if (EqualSid (curr_pgrp.psid, psid))
|
|
got_curr_pgrp = TRUE;
|
|
|
|
printf ("%ls%s%ls:%s:%" PRIu32 ":\n",
|
|
mach->with_dom ? domain_name : L"",
|
|
mach->with_dom ? sep : "",
|
|
buffer[i].grpi2_name,
|
|
put_sid (psid),
|
|
(unsigned int) (id_offset + gid));
|
|
}
|
|
|
|
NetApiBufferFree (buffer);
|
|
|
|
}
|
|
while (rc == ERROR_MORE_DATA);
|
|
}
|
|
|
|
static int
|
|
usage (FILE * stream)
|
|
{
|
|
fprintf (stream,
|
|
"Usage: %s [OPTION]...\n"
|
|
"\n"
|
|
"Write /etc/group-like output to stdout\n"
|
|
"\n"
|
|
"Don't use this command to generate a local /etc/group file, unless you\n"
|
|
"really need one. See the Cygwin User's Guide for more information.\n"
|
|
"\n"
|
|
"Options:\n"
|
|
"\n"
|
|
" -l,--local [machine] Print local group accounts of \"machine\",\n"
|
|
" from local machine if no machine specified.\n"
|
|
" Automatically adding machine prefix for local\n"
|
|
" machine depends on settings in /etc/nsswitch.conf.\n"
|
|
" -L,--Local machine Ditto, but generate groupname with machine prefix.\n"
|
|
" -d,--domain [domain] Print domain groups,\n"
|
|
" from current domain if no domain specified.\n"
|
|
" -c,--current Print current group.\n"
|
|
" -S,--separator char For -L use character char as domain\\group\n"
|
|
" separator in groupname instead of default '%s'.\n"
|
|
" -o,--id-offset offset Change the default offset (0x10000) added to gids\n"
|
|
" of foreign local machine accounts. Use with -l/-L.\n"
|
|
" -g,--group groupname Only return information for the specified group.\n"
|
|
" One of -l, -d must be specified, too.\n"
|
|
" -b,--no-builtin Don't print BUILTIN groups.\n"
|
|
" -U,--unix grouplist Print UNIX groups when using -l on a UNIX Samba\n"
|
|
" server. Grouplist is a comma-separated list of\n"
|
|
" groupnames or gid ranges (root,-25,50-100).\n"
|
|
" Enumerating large ranges can take a long time!\n"
|
|
" -h,--help Print this message.\n"
|
|
" -v,--version Print version information and exit.\n"
|
|
"\n"
|
|
"Default is to print local groups on stand-alone machines, plus domain\n"
|
|
"groups on domain controllers and domain member machines.\n"
|
|
"\n", program_invocation_short_name,
|
|
(const char *) cygwin_internal (CW_GETNSSSEP));
|
|
return 1;
|
|
}
|
|
|
|
struct option longopts[] = {
|
|
{"no-builtin", no_argument, NULL, 'b'},
|
|
{"current", no_argument, NULL, 'c'},
|
|
{"Current", no_argument, NULL, 'C'},
|
|
{"domain", optional_argument, NULL, 'd'},
|
|
{"Domain", optional_argument, NULL, 'D'},
|
|
{"group", required_argument, NULL, 'g'},
|
|
{"help", no_argument, NULL, 'h'},
|
|
{"local", optional_argument, NULL, 'l'},
|
|
{"Local", optional_argument, NULL, 'L'},
|
|
{"id-offset", required_argument, NULL, 'o'},
|
|
{"no-sids", no_argument, NULL, 's'},
|
|
{"separator", required_argument, NULL, 'S'},
|
|
{"users", no_argument, NULL, 'u'},
|
|
{"unix", required_argument, NULL, 'U'},
|
|
{"version", no_argument, NULL, 'V'},
|
|
{0, no_argument, NULL, 0}
|
|
};
|
|
|
|
static char opts[] = "bcCd::D::g:hl::L::o:sS:uU:V";
|
|
|
|
static void
|
|
print_version ()
|
|
{
|
|
printf ("mkgroup (cygwin) %d.%d.%d\n"
|
|
"Group File Generator\n"
|
|
"Copyright (C) 1997 - %s Red Hat, Inc.\n"
|
|
"This is free software; see the source for copying conditions. There is NO\n"
|
|
"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n",
|
|
CYGWIN_VERSION_DLL_MAJOR / 1000,
|
|
CYGWIN_VERSION_DLL_MAJOR % 1000,
|
|
CYGWIN_VERSION_DLL_MINOR,
|
|
strrchr (__DATE__, ' ') + 1);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
int print_domlist = 0;
|
|
domlist_t domlist[32];
|
|
char cname[1024];
|
|
char *opt, *p;
|
|
int print_current = 0;
|
|
int print_builtin = 1;
|
|
char *print_unix = NULL;
|
|
const char *sep_char = (const char *) cygwin_internal (CW_GETNSSSEP);
|
|
DWORD id_offset = 0x10000, off;
|
|
int c, i;
|
|
char *disp_groupname = NULL;
|
|
int optional_args = 0;
|
|
uintptr_t nss_src = cygwin_internal (CW_GETNSS_GRP_SRC);
|
|
|
|
if (!isatty (1))
|
|
setmode (1, O_BINARY);
|
|
|
|
/* Use locale from environment. If not set or set to "C", use UTF-8. */
|
|
setlocale (LC_CTYPE, "");
|
|
if (!strcmp (setlocale (LC_CTYPE, NULL), "C"))
|
|
setlocale (LC_CTYPE, "en_US.UTF-8");
|
|
fetch_current_pgrp_sid ();
|
|
|
|
if (argc == 1)
|
|
{
|
|
int enums = ENUM_PRIMARY | ENUM_LOCAL | ENUM_BUILTIN;
|
|
uintptr_t ticket = cygwin_internal (CW_SETENT, TRUE, enums, NULL);
|
|
if (ticket)
|
|
{
|
|
struct group *grp;
|
|
|
|
while ((grp = (struct group *) cygwin_internal (CW_GETENT, TRUE,
|
|
ticket)))
|
|
printf ("%s:%s:%u:\n", grp->gr_name, grp->gr_passwd, grp->gr_gid);
|
|
cygwin_internal (CW_ENDENT, TRUE, ticket);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
unsetenv ("POSIXLY_CORRECT"); /* To get optional arg processing right. */
|
|
while ((c = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
|
|
switch (c)
|
|
{
|
|
case 'd':
|
|
case 'D':
|
|
case 'l':
|
|
case 'L':
|
|
if (print_domlist >= 32)
|
|
{
|
|
fprintf (stderr, "%s: Can not enumerate from more than 32 "
|
|
"domains and machines.\n",
|
|
program_invocation_short_name);
|
|
return 1;
|
|
}
|
|
domlist[print_domlist].domain = (c == 'd' || c == 'D');
|
|
opt = optarg ?:
|
|
argv[optind] && argv[optind][0] != '-' ? argv[optind] : NULL;
|
|
if (argv[optind] && opt == argv[optind])
|
|
++optional_args;
|
|
for (i = 0; i < print_domlist; ++i)
|
|
if (domlist[i].domain == domlist[print_domlist].domain
|
|
&& ((!domlist[i].str && !opt)
|
|
|| (domlist[i].str && opt
|
|
&& (off = strlen (domlist[i].str))
|
|
&& !strncmp (domlist[i].str, opt, off)
|
|
&& (!opt[off] || opt[off] == ','))))
|
|
{
|
|
fprintf (stderr, "%s: Duplicate %s '%s'. Skipping...\n",
|
|
program_invocation_short_name,
|
|
domlist[i].domain ? "domain" : "machine",
|
|
domlist[i].str);
|
|
break;
|
|
}
|
|
domlist[print_domlist].str = opt;
|
|
if (opt && (p = strchr (opt, ',')))
|
|
{
|
|
if (p == opt)
|
|
{
|
|
fprintf (stderr, "%s: Malformed machine string '%s'. "
|
|
"Skipping...\n", program_invocation_short_name, opt);
|
|
break;
|
|
}
|
|
*p = '\0';
|
|
}
|
|
if (c == 'l' || c == 'L')
|
|
{
|
|
DWORD csize = sizeof cname;
|
|
|
|
domlist[print_domlist].with_dom = (c == 'L');
|
|
if (!opt)
|
|
{
|
|
/* If the system uses /etc/group exclusively as account DB,
|
|
create local group names the old fashioned way. */
|
|
if (nss_src == NSS_SRC_FILES)
|
|
{
|
|
GetComputerNameExA (ComputerNameNetBIOS, cname, &csize);
|
|
domlist[print_domlist].str = cname;
|
|
}
|
|
}
|
|
else if (nss_src != NSS_SRC_FILES)
|
|
{
|
|
/* If the system uses Windows account DBs, check if machine
|
|
name is local machine. If so, remove the domain name to
|
|
enforce system naming convention. */
|
|
if (GetComputerNameExA (strchr (opt, '.')
|
|
? ComputerNameDnsFullyQualified
|
|
: ComputerNameNetBIOS,
|
|
cname, &csize)
|
|
&& strcasecmp (opt, cname) == 0)
|
|
domlist[print_domlist].str = NULL;
|
|
}
|
|
}
|
|
++print_domlist;
|
|
break;
|
|
case 'S':
|
|
sep_char = optarg;
|
|
if (strlen (sep_char) > 1)
|
|
{
|
|
fprintf (stderr, "%s: Only one ASCII character allowed as "
|
|
"domain\\user separator character.\n",
|
|
program_invocation_short_name);
|
|
return 1;
|
|
}
|
|
if (*sep_char == ':')
|
|
{
|
|
fprintf (stderr, "%s: Colon not allowed as domain\\user separator "
|
|
"character.\n", program_invocation_short_name);
|
|
return 1;
|
|
}
|
|
break;
|
|
case 'U':
|
|
print_unix = optarg;
|
|
break;
|
|
case 'c':
|
|
case 'C':
|
|
print_current = 1;
|
|
break;
|
|
case 'o':
|
|
id_offset = strtol (optarg, NULL, 10);
|
|
break;
|
|
case 'b':
|
|
print_builtin = 0;
|
|
break;
|
|
case 's':
|
|
break;
|
|
case 'u':
|
|
break;
|
|
case 'g':
|
|
disp_groupname = optarg;
|
|
break;
|
|
case 'h':
|
|
usage (stdout);
|
|
return 0;
|
|
case 'V':
|
|
print_version ();
|
|
return 0;
|
|
default:
|
|
fprintf (stderr, "Try `%s --help' for more information.\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
optind += optional_args;
|
|
if (argv[optind])
|
|
{
|
|
fprintf (stderr,
|
|
"mkgroup: non-option command line argument `%s' is not allowed.\n"
|
|
"Try `mkgroup --help' for more information.\n", argv[optind]);
|
|
exit (1);
|
|
}
|
|
|
|
struct group *pgrp = NULL;
|
|
if (print_current)
|
|
pgrp = (struct group *) cygwin_internal (CW_GETGRSID, TRUE, curr_pgrp.psid);
|
|
|
|
int enums = ENUM_NONE;
|
|
WCHAR tdoms[print_domlist * 258];
|
|
PWCHAR t = tdoms;
|
|
if (!disp_groupname && print_builtin && print_domlist)
|
|
enums |= ENUM_BUILTIN;
|
|
for (i = 0; i < print_domlist; ++i)
|
|
{
|
|
if (domlist[i].domain)
|
|
{
|
|
if (domlist[i].str)
|
|
{
|
|
enums |= ENUM_TDOMS;
|
|
t += mbstowcs (t, domlist[i].str, 257);
|
|
*t++ = L'\0';
|
|
}
|
|
else
|
|
enums |= ENUM_PRIMARY;
|
|
}
|
|
else if (!domlist[i].str)
|
|
enums |= ENUM_LOCAL;
|
|
}
|
|
if (t > tdoms)
|
|
*t++ = L'\0';
|
|
if (enums)
|
|
{
|
|
uintptr_t ticket = cygwin_internal (CW_SETENT, TRUE, enums,
|
|
t > tdoms ? tdoms : NULL);
|
|
if (ticket)
|
|
{
|
|
struct group *grp;
|
|
const char *nss_sep = (const char *) cygwin_internal (CW_GETNSSSEP);
|
|
|
|
while ((grp = (struct group *)
|
|
cygwin_internal (CW_GETENT, TRUE, ticket)))
|
|
{
|
|
if (disp_groupname
|
|
&& strcasecmp (disp_groupname, grp->gr_name) != 0
|
|
&& (!(p = strchr (grp->gr_name, nss_sep[0]))
|
|
|| strcasecmp (disp_groupname, p + 1) != 0))
|
|
continue;
|
|
printf ("%s:%s:%u:\n", grp->gr_name, grp->gr_passwd,
|
|
grp->gr_gid);
|
|
if (pgrp && !strcmp (grp->gr_passwd, pgrp->gr_passwd))
|
|
got_curr_pgrp = TRUE;
|
|
}
|
|
cygwin_internal (CW_ENDENT, TRUE, ticket);
|
|
}
|
|
}
|
|
|
|
if (print_current && !got_curr_pgrp)
|
|
printf ("%s:%s:%u:\n", pgrp->gr_name, pgrp->gr_passwd, pgrp->gr_gid);
|
|
|
|
off = 0xfd000000;
|
|
for (i = 0; i < print_domlist; ++i)
|
|
{
|
|
if (domlist[i].domain || !domlist[i].str)
|
|
continue;
|
|
if (!enum_local_groups (domlist + i, sep_char,
|
|
(nss_src == NSS_SRC_FILES) ? 0x30000 : off,
|
|
disp_groupname, print_builtin, print_current))
|
|
{
|
|
enum_groups (domlist + i, sep_char,
|
|
(nss_src == NSS_SRC_FILES) ? 0x30000 : off,
|
|
disp_groupname, print_current);
|
|
if (!domlist[i].domain && domlist[i].str && print_unix)
|
|
enum_unix_groups (domlist + i, sep_char, 0xff000000, print_unix);
|
|
off += id_offset;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|