newlib/winsup/utils/mkgroup.c
Corinna Vinschen a1e1990348 * Makefile.in (cygcheck.exe): Link against ntdll.
* bloda.cc: Use statically linked functions throughout.
	* cygpath.cc: Drop 9x considerations.
	* mkgroup.c: Revamp.  Redefine -l and -d options to take optional
	machine and domain parameters.  Redefine -c to work always, using
	token information.  Add -L, -D, -C to create unique groupnames in
	domain\group syntax.  Add -S option to define domain\group separator
	char.  Ignore -u and -s options.
	* mkpasswd.c: Revamp.  Redefine -l and -d options to take optional
	machine and domain parameters.  Redefine -c to work always, using
	token information.  Add -L, -D, -C to create unique usernames in
	domain\user syntax.  Add -S option to define domain\user separator
	char.  Ignore -g and -s options.  Prefer to take homedir from $HOME
	over $HOMEDRIVE/$HOMEPATH.
	* path.cc (oopts): Add "acl", "noacl", "posix=0" and "posix=1" options.
	(getmntent): Accomodate throughout.
	* ps.cc: Fix copyright dates.
	* utils.sgml: Fix text for mkgroup and mkpasswd.
2008-07-22 14:40:05 +00:00

744 lines
19 KiB
C

/* mkgroup.c:
Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007, 2008 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#define _WIN32_WINNT 0x0600
#include <ctype.h>
#include <stdlib.h>
#include <wchar.h>
#include <stdio.h>
#include <unistd.h>
#include <getopt.h>
#include <io.h>
#include <sys/fcntl.h>
#include <sys/cygwin.h>
#include <windows.h>
#include <lm.h>
#include <wininet.h>
#include <iptypes.h>
#include <ntsecapi.h>
#include <dsgetdc.h>
#include <ntdef.h>
#define print_win_error(x) _print_win_error(x, __LINE__)
#define MAX_SID_LEN 40
static const char version[] = "$Revision$";
extern char *__progname;
SID_IDENTIFIER_AUTHORITY sid_world_auth = {SECURITY_WORLD_SID_AUTHORITY};
SID_IDENTIFIER_AUTHORITY sid_nt_auth = {SECURITY_NT_AUTHORITY};
NET_API_STATUS WINAPI (*dsgetdcname)(LPWSTR,LPWSTR,GUID*,LPWSTR,ULONG,PDOMAIN_CONTROLLER_INFOW*);
#ifndef min
#define min(a,b) (((a)<(b))?(a):(b))
#endif
typedef struct
{
char *str;
BOOL with_dom;
} domlist_t;
void
_print_win_error (DWORD code, int line)
{
char buf[4096];
if (FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM
| FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
code,
MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) buf, sizeof (buf), NULL))
fprintf (stderr, "mkgroup (%d): [%lu] %s", line, code, buf);
else
fprintf (stderr, "mkgroup (%d): error %lu", line, code);
}
void
load_dsgetdcname ()
{
HANDLE h = LoadLibrary ("netapi32.dll");
if (h)
dsgetdcname = (void *) GetProcAddress (h, "DsGetDcNameW");
}
static PWCHAR
get_dcname (char *domain)
{
static WCHAR server[INTERNET_MAX_HOST_NAME_LENGTH + 1];
DWORD rc;
PWCHAR servername;
WCHAR domain_name[MAX_DOMAIN_NAME_LEN + 1];
PDOMAIN_CONTROLLER_INFOW pdci = NULL;
if (dsgetdcname)
{
if (domain)
{
mbstowcs (domain_name, domain, strlen (domain) + 1);
rc = dsgetdcname (NULL, domain_name, NULL, NULL, 0, &pdci);
}
else
rc = dsgetdcname (NULL, NULL, NULL, NULL, 0, &pdci);
if (rc != ERROR_SUCCESS)
{
print_win_error (rc);
return (PWCHAR) -1;
}
wcscpy (server, pdci->DomainControllerName);
NetApiBufferFree (pdci);
}
else
{
rc = NetGetDCName (NULL, NULL, (void *) &servername);
if (rc == ERROR_SUCCESS && domain)
{
LPWSTR server = servername;
mbstowcs (domain_name, domain, strlen (domain) + 1);
rc = NetGetDCName (server, domain_name, (void *) &servername);
NetApiBufferFree (server);
}
if (rc != ERROR_SUCCESS)
{
print_win_error(rc);
return (PWCHAR) -1;
}
wcscpy (server, servername);
NetApiBufferFree ((PVOID) servername);
}
return server;
}
char *
put_sid (PSID sid)
{
static char s[512];
char t[32];
DWORD i;
strcpy (s, "S-1-");
sprintf(t, "%u", GetSidIdentifierAuthority (sid)->Value[5]);
strcat (s, t);
for (i = 0; i < *GetSidSubAuthorityCount (sid); ++i)
{
sprintf(t, "-%lu", *GetSidSubAuthority (sid, i));
strcat (s, t);
}
return s;
}
typedef struct {
BYTE Revision;
BYTE SubAuthorityCount;
SID_IDENTIFIER_AUTHORITY IdentifierAuthority;
DWORD SubAuthority[8];
} DBGSID, *PDBGSID;
#define MAX_BUILTIN_SIDS 100 /* Should be enough for the forseable future. */
DBGSID builtin_sid_list[MAX_BUILTIN_SIDS];
DWORD builtin_sid_cnt;
int
enum_local_groups (BOOL domain, domlist_t *dom_or_machine, const char *sep,
int id_offset, char *disp_groupname)
{
WCHAR machine[INTERNET_MAX_HOST_NAME_LENGTH + 1];
PWCHAR servername = NULL;
char *d_or_m = dom_or_machine ? dom_or_machine->str : NULL;
BOOL with_dom = dom_or_machine ? dom_or_machine->with_dom : FALSE;
LOCALGROUP_INFO_0 *buffer;
DWORD entriesread = 0;
DWORD totalentries = 0;
DWORD resume_handle = 0;
WCHAR gname[GNLEN + 1];
DWORD rc;
if (domain)
{
servername = get_dcname (d_or_m);
if (servername == (PWCHAR) -1)
return 1;
}
else if (d_or_m)
{
int ret = mbstowcs (machine, d_or_m, 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",
__progname, d_or_m);
return 1;
}
servername = machine;
}
do
{
DWORD i;
if (disp_groupname != NULL)
{
mbstowcs (gname, disp_groupname, GNLEN + 1);
rc = NetApiBufferAllocate (sizeof (LOCALGROUP_INFO_0),
(void *) &buffer);
buffer[0].lgrpi0_name = gname;
entriesread = 1;
}
else
rc = NetLocalGroupEnum (servername, 0, (void *) &buffer,
MAX_PREFERRED_LENGTH, &entriesread,
&totalentries, &resume_handle);
switch (rc)
{
case ERROR_ACCESS_DENIED:
print_win_error (rc);
return 1;
case ERROR_MORE_DATA:
case ERROR_SUCCESS:
break;
default:
print_win_error (rc);
return 1;
}
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[MAX_SID_LEN];
PSID psid = (PSID) psid_buffer;
DWORD sid_length = MAX_SID_LEN;
DWORD gid;
SID_NAME_USE acc_type;
PDBGSID pdsid;
BOOL is_builtin = FALSE;
if (!LookupAccountNameW (servername, buffer[i].lgrpi0_name, psid,
&sid_length, domain_name, &domname_len,
&acc_type))
{
print_win_error (rc);
fprintf (stderr, " (%ls)\n", buffer[i].lgrpi0_name);
continue;
}
else if (acc_type == SidTypeDomain)
{
WCHAR domname[MAX_DOMAIN_NAME_LEN + GNLEN + 2];
wcscpy (domname, domain_name);
wcscat (domname, L"\\");
wcscat (domname, buffer[i].lgrpi0_name);
sid_length = MAX_SID_LEN;
domname_len = MAX_DOMAIN_NAME_LEN + 1;
if (!LookupAccountNameW (servername, domname,
psid, &sid_length,
domain_name, &domname_len,
&acc_type))
{
print_win_error (rc);
fprintf(stderr, " (%ls)\n", domname);
continue;
}
}
/* Store all local SIDs with prefix "S-1-5-32-" and check if it
has been printed already. This allows to get all builtin
groups exactly once and not once per domain. */
pdsid = (PDBGSID) psid;
if (pdsid->IdentifierAuthority.Value[5] == sid_nt_auth.Value[5]
&& pdsid->SubAuthority[0] == SECURITY_BUILTIN_DOMAIN_RID)
{
int b;
is_builtin = TRUE;
if (servername && builtin_sid_cnt)
for (b = 0; b < builtin_sid_cnt; b++)
if (EqualSid (&builtin_sid_list[b], psid))
goto skip_group;
if (builtin_sid_cnt < MAX_BUILTIN_SIDS)
CopySid (sizeof (DBGSID), &builtin_sid_list[builtin_sid_cnt++],
psid);
}
gid = *GetSidSubAuthority (psid, *GetSidSubAuthorityCount(psid) - 1);
printf ("%ls%s%ls:%s:%ld:\n",
with_dom ? domain_name : L"",
with_dom ? sep : "",
buffer[i].lgrpi0_name,
put_sid (psid),
gid + (is_builtin ? 0 : id_offset));
skip_group:
;
}
NetApiBufferFree (buffer);
}
while (rc == ERROR_MORE_DATA);
return 0;
}
void
enum_groups (BOOL domain, domlist_t *dom_or_machine, const char *sep,
int id_offset, char *disp_groupname)
{
WCHAR machine[INTERNET_MAX_HOST_NAME_LENGTH + 1];
PWCHAR servername = NULL;
char *d_or_m = dom_or_machine ? dom_or_machine->str : NULL;
BOOL with_dom = dom_or_machine ? dom_or_machine->with_dom : FALSE;
GROUP_INFO_2 *buffer;
DWORD entriesread = 0;
DWORD totalentries = 0;
DWORD resume_handle = 0;
WCHAR gname[GNLEN + 1];
DWORD rc;
if (domain)
{
servername = get_dcname (d_or_m);
if (servername == (PWCHAR) -1)
return;
}
else if (d_or_m)
{
int ret = mbstowcs (machine, d_or_m, 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",
__progname, d_or_m);
return;
}
servername = machine;
}
do
{
DWORD i;
if (disp_groupname != NULL)
{
mbstowcs (gname, disp_groupname, GNLEN + 1);
rc = NetGroupGetInfo (servername, (LPWSTR) & gname, 2,
(void *) &buffer);
entriesread=1;
}
else
rc = NetGroupEnum (servername, 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[MAX_SID_LEN];
PSID psid = (PSID) psid_buffer;
DWORD sid_length = MAX_SID_LEN;
SID_NAME_USE acc_type;
int gid = buffer[i].grpi2_group_id;
if (!LookupAccountNameW (servername, buffer[i].grpi2_name,
psid, &sid_length,
domain_name, &domname_len,
&acc_type))
{
print_win_error (rc);
fprintf(stderr, " (%ls)\n", buffer[i].grpi2_name);
continue;
}
else if (acc_type == SidTypeDomain)
{
WCHAR domname[MAX_DOMAIN_NAME_LEN + GNLEN + 2];
wcscpy (domname, domain_name);
wcscat (domname, L"\\");
wcscat (domname, buffer[i].grpi2_name);
sid_length = MAX_SID_LEN;
domname_len = MAX_DOMAIN_NAME_LEN + 1;
if (!LookupAccountNameW (servername, domname,
psid, &sid_length,
domain_name, &domname_len,
&acc_type))
{
print_win_error (rc);
fprintf(stderr, " (%ls)\n", domname);
continue;
}
}
printf ("%ls%s%ls:%s:%u:\n",
with_dom ? domain_name : L"",
with_dom ? sep : "",
buffer[i].grpi2_name,
put_sid (psid),
gid + id_offset);
}
NetApiBufferFree (buffer);
}
while (rc == ERROR_MORE_DATA);
}
void
print_special (PSID_IDENTIFIER_AUTHORITY auth, BYTE cnt,
DWORD sub1, DWORD sub2, DWORD sub3, DWORD sub4,
DWORD sub5, DWORD sub6, DWORD sub7, DWORD sub8)
{
char name[UNLEN + 1], dom[MAX_DOMAIN_NAME_LEN + 1];
DWORD len, len2, rid;
PSID sid;
SID_NAME_USE use;
if (AllocateAndInitializeSid (auth, cnt, sub1, sub2, sub3, sub4,
sub5, sub6, sub7, sub8, &sid))
{
if (LookupAccountSid (NULL, sid,
name, (len = UNLEN + 1, &len),
dom, (len2 = MAX_DOMAIN_NAME_LEN + 1, &len),
&use))
{
if (sub8)
rid = sub8;
else if (sub7)
rid = sub7;
else if (sub6)
rid = sub6;
else if (sub5)
rid = sub5;
else if (sub4)
rid = sub4;
else if (sub3)
rid = sub3;
else if (sub2)
rid = sub2;
else
rid = sub1;
printf ("%s:%s:%lu:\n", name, put_sid (sid), rid);
}
FreeSid (sid);
}
}
void
current_group (const char *sep, int id_offset)
{
DWORD len;
HANDLE ptok;
struct {
PSID psid;
char buffer[MAX_SID_LEN];
} tg;
char grp[GNLEN + 1];
char dom[MAX_DOMAIN_NAME_LEN + 1];
DWORD glen = GNLEN + 1;
DWORD dlen = MAX_DOMAIN_NAME_LEN + 1;
int gid;
SID_NAME_USE acc_type;
if (!OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &ptok)
|| !GetTokenInformation (ptok, TokenPrimaryGroup, &tg, sizeof tg, &len)
|| !CloseHandle (ptok)
|| !LookupAccountSidA (NULL, tg.psid, grp, &glen, dom, &dlen, &acc_type))
{
print_win_error (GetLastError ());
return;
}
gid = *GetSidSubAuthority (tg.psid, *GetSidSubAuthorityCount(tg.psid) - 1);
printf ("%s%s%s:%s:%u:\n",
sep ? dom : "",
sep ?: "",
grp,
put_sid (tg.psid),
gid + id_offset);
}
int
usage (FILE * stream)
{
fprintf (stream,
"Usage: mkgroup [OPTION]...\n"
"Print /etc/group file to stdout\n"
"\n"
"Options:\n"
" -l,--local [machine] print local groups (from local machine if no\n"
" machine specified)\n"
" -L,--Local [machine] ditto, but generate groupname with machine prefix\n"
" -d,--domain [domain] print domain groups (from current domain if no\n"
" domain specified)\n"
" -D,--Domain [domain] ditto, but generate groupname with machine prefix\n"
" -c,--current print current group\n"
" -C,--Current ditto, but generate groupname with machine or\n"
" domain prefix\n"
" -S,--separator char for -L, -D, -C use character char as domain\\group\n"
" separator in groupname instead of the default '\\'\n"
" -o,--id-offset offset change the default offset (10000) added to gids\n"
" in domain or foreign server accounts.\n"
" -g,--group groupname only return information for the specified group\n"
" one of -l, -L, -d, -D must be specified, too\n"
" -s,--no-sids (ignored)\n"
" -u,--users (ignored)\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");
return 1;
}
struct option longopts[] = {
{"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'},
{"version", no_argument, NULL, 'v'},
{0, no_argument, NULL, 0}
};
char opts[] = "cCd::D::g:hl::L::o:sS:uv";
void
print_version ()
{
const char *v = strchr (version, ':');
int len;
if (!v)
{
v = "?";
len = 1;
}
else
{
v += 2;
len = strchr (v, ' ') - v;
}
printf ("\
mkgroup (cygwin) %.*s\n\
group File Generator\n\
Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Red Hat, Inc.\n\
Compiled on %s\n\
", len, v, __DATE__);
}
static PPOLICY_PRIMARY_DOMAIN_INFO p_dom;
static BOOL
fetch_primary_domain ()
{
NTSTATUS status;
LSA_OBJECT_ATTRIBUTES oa = { 0, 0, 0, 0, 0, 0 };
LSA_HANDLE lsa;
if (!p_dom)
{
status = LsaOpenPolicy (NULL, &oa, POLICY_EXECUTE, &lsa);
if (!NT_SUCCESS (status))
return FALSE;
status = LsaQueryInformationPolicy (lsa, PolicyPrimaryDomainInformation,
(PVOID *) &p_dom);
LsaClose (lsa);
if (!NT_SUCCESS (status))
return FALSE;
}
return !!p_dom->Sid;
}
int
main (int argc, char **argv)
{
int print_local = 0;
domlist_t locals[16];
int print_domain = 0;
domlist_t domains[16];
char *opt;
int print_current = 0;
const char *sep_char = "\\";
int id_offset = 10000;
int c, i, off;
char *disp_groupname = NULL;
int isRoot = 0;
BOOL in_domain;
if (!isatty (1))
setmode (1, O_BINARY);
load_dsgetdcname ();
in_domain = fetch_primary_domain ();
if (argc == 1)
{
print_special (&sid_nt_auth, 1, SECURITY_LOCAL_SYSTEM_RID,
0, 0, 0, 0, 0, 0, 0);
if (in_domain)
{
if (!enum_local_groups (TRUE, NULL, sep_char, id_offset,
disp_groupname))
enum_groups (TRUE, NULL, sep_char, id_offset, disp_groupname);
}
else if (!enum_local_groups (FALSE, NULL, sep_char, 0, disp_groupname))
enum_groups (FALSE, NULL, sep_char, 0, disp_groupname);
return 0;
}
while ((c = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
switch (c)
{
case 'l':
case 'L':
if (print_local >= 16)
{
fprintf (stderr, "%s: Can not enumerate from more than 16 "
"servers.\n", __progname);
return 1;
}
opt = optarg ?:
argv[optind] && argv[optind][0] != '-' ? argv[optind] : NULL;
for (i = 0; i < print_local; ++i)
if ((!locals[i].str && !opt)
|| (locals[i].str && opt && !strcmp (locals[i].str, opt)))
goto skip_local;
locals[print_local].str = opt;
locals[print_local++].with_dom = c == 'L';
skip_local:
break;
case 'd':
case 'D':
if (print_domain >= 16)
{
fprintf (stderr, "%s: Can not enumerate from more than 16 "
"domains.\n", __progname);
return 1;
}
opt = optarg ?:
argv[optind] && argv[optind][0] != '-' ? argv[optind] : NULL;
for (i = 0; i < print_domain; ++i)
if ((!domains[i].str && !opt)
|| (domains[i].str && opt && !strcmp (domains[i].str, opt)))
goto skip_domain;
domains[print_domain].str = opt;
domains[print_domain++].with_dom = c == 'D';
skip_domain:
break;
case 'S':
sep_char = optarg;
if (strlen (sep_char) > 1)
{
fprintf (stderr, "%s: Only one character allowed as domain\\user "
"separator character.\n", __progname);
return 1;
}
if (*sep_char == ':')
{
fprintf (stderr, "%s: Colon not allowed as domain\\user separator "
"character.\n", __progname);
return 1;
}
break;
case 'c':
sep_char = NULL;
/*FALLTHRU*/
case 'C':
print_current = 1;
break;
case 'o':
id_offset = strtol (optarg, NULL, 10);
break;
case 's':
break;
case 'u':
break;
case 'g':
disp_groupname = optarg;
isRoot = !strcmp(disp_groupname, "root");
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;
}
if (optind < argc - 1)
usage (stdout);
/* Get 'system' group */
if (!disp_groupname && (print_local > 0 || print_domain > 0))
print_special (&sid_nt_auth, 1, SECURITY_LOCAL_SYSTEM_RID,
0, 0, 0, 0, 0, 0, 0);
off = 1;
if (isRoot)
{
/* Very special feature for the oncoming future:
Create a "root" group being actually the local Administrators group.
Printing root disables printing any other "real" local group. */
printf ("root:S-1-5-32-544:0:\n");
}
else
for (i = 0; i < print_local; ++i)
{
if (locals[i].str)
{
if (!enum_local_groups (FALSE, locals + i, sep_char,
id_offset * off, disp_groupname))
enum_groups (FALSE, locals + i, sep_char, id_offset * off++,
disp_groupname);
}
else if (!enum_local_groups (FALSE, locals + i, sep_char, 0,
disp_groupname))
enum_groups (FALSE, locals + i, sep_char, 0, disp_groupname);
}
for (i = 0; i < print_domain; ++i)
{
if (!enum_local_groups (TRUE, domains + i, sep_char, id_offset * off,
disp_groupname))
enum_groups (TRUE, domains + i, sep_char, id_offset * off++,
disp_groupname);
}
if (print_current)
current_group (sep_char, id_offset);
return 0;
}