mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
457 lines
9.6 KiB
C
457 lines
9.6 KiB
C
/* Copyright (c) 1997-2018 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
#include <rpc/rpc.h>
|
|
#include <rpcsvc/nis.h>
|
|
#include <shlib-compat.h>
|
|
|
|
#define DEFAULT_TTL 43200
|
|
|
|
/*
|
|
** Some functions for parsing the -D param and NIS_DEFAULTS Environ
|
|
*/
|
|
static nis_name
|
|
searchXYX (char *str, const char *what)
|
|
{
|
|
assert (strlen (what) == 6);
|
|
assert (strncmp (str, what, 6) == 0);
|
|
str += 6; /* Points to the begin of the parameters. */
|
|
|
|
int i = 0;
|
|
while (str[i] != '\0' && str[i] != ':')
|
|
++i;
|
|
if (i == 0) /* only "<WHAT>=" ? */
|
|
return strdup ("");
|
|
|
|
return strndup (str, i);
|
|
}
|
|
|
|
|
|
static nis_name
|
|
searchgroup (char *str)
|
|
{
|
|
return searchXYX (str, "group=");
|
|
}
|
|
|
|
|
|
static nis_name
|
|
searchowner (char *str)
|
|
{
|
|
return searchXYX (str, "owner=");
|
|
}
|
|
|
|
|
|
static uint32_t
|
|
searchttl (char *str)
|
|
{
|
|
char buf[strlen (str) + 1];
|
|
char *cptr, *dptr;
|
|
uint32_t time;
|
|
int i;
|
|
|
|
dptr = strstr (str, "ttl=");
|
|
if (dptr == NULL) /* should (could) not happen */
|
|
return DEFAULT_TTL;;
|
|
|
|
dptr += 4; /* points to the begin of the new ttl */
|
|
i = 0;
|
|
while (dptr[i] != '\0' && dptr[i] != ':')
|
|
i++;
|
|
if (i == 0) /* only "ttl=" ? */
|
|
return DEFAULT_TTL;
|
|
|
|
strncpy (buf, dptr, i);
|
|
buf[i] = '\0';
|
|
time = 0;
|
|
|
|
dptr = buf;
|
|
cptr = strchr (dptr, 'd');
|
|
if (cptr != NULL)
|
|
{
|
|
*cptr = '\0';
|
|
cptr++;
|
|
time += atoi (dptr) * 60 * 60 * 24;
|
|
dptr = cptr;
|
|
}
|
|
|
|
cptr = strchr (dptr, 'h');
|
|
if (cptr != NULL)
|
|
{
|
|
*cptr = '\0';
|
|
cptr++;
|
|
time += atoi (dptr) * 60 * 60;
|
|
dptr = cptr;
|
|
}
|
|
|
|
cptr = strchr (dptr, 'm');
|
|
if (cptr != NULL)
|
|
{
|
|
*cptr = '\0';
|
|
cptr++;
|
|
time += atoi (dptr) * 60;
|
|
dptr = cptr;
|
|
}
|
|
|
|
cptr = strchr (dptr, 's');
|
|
if (cptr != NULL)
|
|
*cptr = '\0';
|
|
|
|
time += atoi (dptr);
|
|
|
|
return time;
|
|
}
|
|
|
|
static unsigned int
|
|
searchaccess (char *str, unsigned int access)
|
|
{
|
|
char buf[strlen (str) + 1];
|
|
char *cptr;
|
|
unsigned int result = access;
|
|
int i;
|
|
int n, o, g, w;
|
|
|
|
cptr = strstr (str, "access=");
|
|
if (cptr == NULL)
|
|
return 0;
|
|
|
|
cptr += 7; /* points to the begin of the access string */
|
|
i = 0;
|
|
while (cptr[i] != '\0' && cptr[i] != ':')
|
|
i++;
|
|
if (i == 0) /* only "access=" ? */
|
|
return 0;
|
|
|
|
strncpy (buf, cptr, i);
|
|
buf[i] = '\0';
|
|
|
|
n = o = g = w = 0;
|
|
cptr = buf;
|
|
if (*cptr == ',') /* Fix for stupid Solaris scripts */
|
|
++cptr;
|
|
while (*cptr != '\0')
|
|
{
|
|
switch (*cptr)
|
|
{
|
|
case 'n':
|
|
n = 1;
|
|
break;
|
|
case 'o':
|
|
o = 1;
|
|
break;
|
|
case 'g':
|
|
g = 1;
|
|
break;
|
|
case 'w':
|
|
w = 1;
|
|
break;
|
|
case 'a':
|
|
o = g = w = 1;
|
|
break;
|
|
case '-':
|
|
cptr++; /* Remove "-" from beginning */
|
|
while (*cptr != '\0' && *cptr != ',')
|
|
{
|
|
switch (*cptr)
|
|
{
|
|
case 'r':
|
|
if (n)
|
|
result = result & ~(NIS_READ_ACC << 24);
|
|
if (o)
|
|
result = result & ~(NIS_READ_ACC << 16);
|
|
if (g)
|
|
result = result & ~(NIS_READ_ACC << 8);
|
|
if (w)
|
|
result = result & ~(NIS_READ_ACC);
|
|
break;
|
|
case 'm':
|
|
if (n)
|
|
result = result & ~(NIS_MODIFY_ACC << 24);
|
|
if (o)
|
|
result = result & ~(NIS_MODIFY_ACC << 16);
|
|
if (g)
|
|
result = result & ~(NIS_MODIFY_ACC << 8);
|
|
if (w)
|
|
result = result & ~(NIS_MODIFY_ACC);
|
|
break;
|
|
case 'c':
|
|
if (n)
|
|
result = result & ~(NIS_CREATE_ACC << 24);
|
|
if (o)
|
|
result = result & ~(NIS_CREATE_ACC << 16);
|
|
if (g)
|
|
result = result & ~(NIS_CREATE_ACC << 8);
|
|
if (w)
|
|
result = result & ~(NIS_CREATE_ACC);
|
|
break;
|
|
case 'd':
|
|
if (n)
|
|
result = result & ~(NIS_DESTROY_ACC << 24);
|
|
if (o)
|
|
result = result & ~(NIS_DESTROY_ACC << 16);
|
|
if (g)
|
|
result = result & ~(NIS_DESTROY_ACC << 8);
|
|
if (w)
|
|
result = result & ~(NIS_DESTROY_ACC);
|
|
break;
|
|
default:
|
|
return (~0U);
|
|
}
|
|
cptr++;
|
|
}
|
|
n = o = g = w = 0;
|
|
break;
|
|
case '+':
|
|
cptr++; /* Remove "+" from beginning */
|
|
while (*cptr != '\0' && *cptr != ',')
|
|
{
|
|
switch (*cptr)
|
|
{
|
|
case 'r':
|
|
if (n)
|
|
result = result | (NIS_READ_ACC << 24);
|
|
if (o)
|
|
result = result | (NIS_READ_ACC << 16);
|
|
if (g)
|
|
result = result | (NIS_READ_ACC << 8);
|
|
if (w)
|
|
result = result | (NIS_READ_ACC);
|
|
break;
|
|
case 'm':
|
|
if (n)
|
|
result = result | (NIS_MODIFY_ACC << 24);
|
|
if (o)
|
|
result = result | (NIS_MODIFY_ACC << 16);
|
|
if (g)
|
|
result = result | (NIS_MODIFY_ACC << 8);
|
|
if (w)
|
|
result = result | (NIS_MODIFY_ACC);
|
|
break;
|
|
case 'c':
|
|
if (n)
|
|
result = result | (NIS_CREATE_ACC << 24);
|
|
if (o)
|
|
result = result | (NIS_CREATE_ACC << 16);
|
|
if (g)
|
|
result = result | (NIS_CREATE_ACC << 8);
|
|
if (w)
|
|
result = result | (NIS_CREATE_ACC);
|
|
break;
|
|
case 'd':
|
|
if (n)
|
|
result = result | (NIS_DESTROY_ACC << 24);
|
|
if (o)
|
|
result = result | (NIS_DESTROY_ACC << 16);
|
|
if (g)
|
|
result = result | (NIS_DESTROY_ACC << 8);
|
|
if (w)
|
|
result = result | (NIS_DESTROY_ACC);
|
|
break;
|
|
default:
|
|
return (~0U);
|
|
}
|
|
cptr++;
|
|
}
|
|
n = o = g = w = 0;
|
|
break;
|
|
case '=':
|
|
cptr++; /* Remove "=" from beginning */
|
|
/* Clear */
|
|
if (n)
|
|
result = result & ~((NIS_READ_ACC + NIS_MODIFY_ACC +
|
|
NIS_CREATE_ACC + NIS_DESTROY_ACC) << 24);
|
|
|
|
if (o)
|
|
result = result & ~((NIS_READ_ACC + NIS_MODIFY_ACC +
|
|
NIS_CREATE_ACC + NIS_DESTROY_ACC) << 16);
|
|
if (g)
|
|
result = result & ~((NIS_READ_ACC + NIS_MODIFY_ACC +
|
|
NIS_CREATE_ACC + NIS_DESTROY_ACC) << 8);
|
|
if (w)
|
|
result = result & ~(NIS_READ_ACC + NIS_MODIFY_ACC +
|
|
NIS_CREATE_ACC + NIS_DESTROY_ACC);
|
|
while (*cptr != '\0' && *cptr != ',')
|
|
{
|
|
switch (*cptr)
|
|
{
|
|
case 'r':
|
|
if (n)
|
|
result = result | (NIS_READ_ACC << 24);
|
|
if (o)
|
|
result = result | (NIS_READ_ACC << 16);
|
|
if (g)
|
|
result = result | (NIS_READ_ACC << 8);
|
|
if (w)
|
|
result = result | (NIS_READ_ACC);
|
|
break;
|
|
case 'm':
|
|
if (n)
|
|
result = result | (NIS_MODIFY_ACC << 24);
|
|
if (o)
|
|
result = result | (NIS_MODIFY_ACC << 16);
|
|
if (g)
|
|
result = result | (NIS_MODIFY_ACC << 8);
|
|
if (w)
|
|
result = result | (NIS_MODIFY_ACC);
|
|
break;
|
|
case 'c':
|
|
if (n)
|
|
result = result | (NIS_CREATE_ACC << 24);
|
|
if (o)
|
|
result = result | (NIS_CREATE_ACC << 16);
|
|
if (g)
|
|
result = result | (NIS_CREATE_ACC << 8);
|
|
if (w)
|
|
result = result | (NIS_CREATE_ACC);
|
|
break;
|
|
case 'd':
|
|
if (n)
|
|
result = result | (NIS_DESTROY_ACC << 24);
|
|
if (o)
|
|
result = result | (NIS_DESTROY_ACC << 16);
|
|
if (g)
|
|
result = result | (NIS_DESTROY_ACC << 8);
|
|
if (w)
|
|
result = result | (NIS_DESTROY_ACC);
|
|
break;
|
|
default:
|
|
return result = (~0U);
|
|
}
|
|
cptr++;
|
|
}
|
|
n = o = g = w = 0;
|
|
break;
|
|
default:
|
|
return result = (~0U);
|
|
}
|
|
if (*cptr != '\0')
|
|
cptr++;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
nis_name
|
|
__nis_default_owner (char *defaults)
|
|
{
|
|
char *default_owner = NULL;
|
|
|
|
char *cptr = defaults;
|
|
if (cptr == NULL)
|
|
cptr = getenv ("NIS_DEFAULTS");
|
|
|
|
if (cptr != NULL)
|
|
{
|
|
char *dptr = strstr (cptr, "owner=");
|
|
if (dptr != NULL)
|
|
{
|
|
char *p = searchowner (dptr);
|
|
if (p == NULL)
|
|
return NULL;
|
|
default_owner = strdupa (p);
|
|
free (p);
|
|
}
|
|
}
|
|
|
|
return strdup (default_owner ?: nis_local_principal ());
|
|
}
|
|
libnsl_hidden_nolink_def (__nis_default_owner, GLIBC_2_1)
|
|
|
|
|
|
nis_name
|
|
__nis_default_group (char *defaults)
|
|
{
|
|
char *default_group = NULL;
|
|
|
|
char *cptr = defaults;
|
|
if (cptr == NULL)
|
|
cptr = getenv ("NIS_DEFAULTS");
|
|
|
|
if (cptr != NULL)
|
|
{
|
|
char *dptr = strstr (cptr, "group=");
|
|
if (dptr != NULL)
|
|
{
|
|
char *p = searchgroup (dptr);
|
|
if (p == NULL)
|
|
return NULL;
|
|
default_group = strdupa (p);
|
|
free (p);
|
|
}
|
|
}
|
|
|
|
return strdup (default_group ?: nis_local_group ());
|
|
}
|
|
libnsl_hidden_nolink_def (__nis_default_group, GLIBC_2_1)
|
|
|
|
|
|
uint32_t
|
|
__nis_default_ttl (char *defaults)
|
|
{
|
|
char *cptr, *dptr;
|
|
|
|
if (defaults != NULL)
|
|
{
|
|
dptr = strstr (defaults, "ttl=");
|
|
if (dptr != NULL)
|
|
return searchttl (defaults);
|
|
}
|
|
|
|
cptr = getenv ("NIS_DEFAULTS");
|
|
if (cptr == NULL)
|
|
return DEFAULT_TTL;
|
|
|
|
dptr = strstr (cptr, "ttl=");
|
|
if (dptr == NULL)
|
|
return DEFAULT_TTL;
|
|
|
|
return searchttl (cptr);
|
|
}
|
|
|
|
/* Default access rights are ----rmcdr---r---, but we could change
|
|
this with the NIS_DEFAULTS variable. */
|
|
unsigned int
|
|
__nis_default_access (char *param, unsigned int defaults)
|
|
{
|
|
unsigned int result;
|
|
char *cptr;
|
|
|
|
if (defaults == 0)
|
|
result = 0 | OWNER_DEFAULT | GROUP_DEFAULT | WORLD_DEFAULT;
|
|
else
|
|
result = defaults;
|
|
|
|
if (param != NULL && strstr (param, "access=") != NULL)
|
|
result = searchaccess (param, result);
|
|
else
|
|
{
|
|
cptr = getenv ("NIS_DEFAULTS");
|
|
if (cptr != NULL && strstr (cptr, "access=") != NULL)
|
|
result = searchaccess (cptr, result);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
libnsl_hidden_nolink_def (__nis_default_access, GLIBC_2_1)
|