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glibc/nis/nis_defaults.c
Paul Eggert 5a82c74822 Prefer https to http for gnu.org and fsf.org URLs 
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:

sed -ri '
  s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
  s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
  $(find $(git ls-files) -prune -type f \
      ! -name '*.po' \
      ! -name 'ChangeLog*' \
      ! -path COPYING ! -path COPYING.LIB \
      ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
      ! -path manual/texinfo.tex ! -path scripts/config.guess \
      ! -path scripts/config.sub ! -path scripts/install-sh \
      ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
      ! -path INSTALL ! -path  locale/programs/charmap-kw.h \
      ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
      ! '(' -name configure \
            -execdir test -f configure.ac -o -f configure.in ';' ')' \
      ! '(' -name preconfigure \
            -execdir test -f preconfigure.ac ';' ')' \
      -print)

and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:

  chmod a+x sysdeps/unix/sysv/linux/riscv/configure
  # Omit irrelevant whitespace and comment-only changes,
  # perhaps from a slightly-different Autoconf version.
  git checkout -f \
    sysdeps/csky/configure \
    sysdeps/hppa/configure \
    sysdeps/riscv/configure \
    sysdeps/unix/sysv/linux/csky/configure
  # Omit changes that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
  git checkout -f \
    sysdeps/powerpc/powerpc64/ppc-mcount.S \
    sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
  # Omit change that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
  git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 02:43:31 -07:00

458 lines
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/* Copyright (c) 1997-2019 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
<https://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);
}
libnsl_hidden_nolink_def (__nis_default_ttl, GLIBC_2_1)
/* 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)
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