2014-01-01 12:03:15 +01:00
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/* Copyright (c) 1998-2014 Free Software Foundation, Inc.
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1998-01-31 09:39:55 +01:00
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This file is part of the GNU C Library.
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2000-04-30 08:52:59 +02:00
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Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
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1998-01-31 09:39:55 +01:00
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2005-12-07 06:49:17 +01:00
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This program is free software; you can redistribute it and/or modify
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2007-07-16 02:56:07 +02:00
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; version 2 of the License, or
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(at your option) any later version.
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1998-01-31 09:39:55 +01:00
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2005-12-07 06:49:17 +01:00
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This program is distributed in the hope that it will be useful,
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1998-01-31 09:39:55 +01:00
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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2005-12-07 06:49:17 +01:00
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1998-01-31 09:39:55 +01:00
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2005-12-07 06:49:17 +01:00
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You should have received a copy of the GNU General Public License
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2012-02-10 00:18:22 +01:00
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along with this program; if not, see <http://www.gnu.org/licenses/>. */
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1998-01-31 09:39:55 +01:00
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#include <ctype.h>
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2004-10-03 21:33:48 +02:00
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#include <errno.h>
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2005-08-24 08:37:27 +02:00
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#include <error.h>
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2004-10-03 21:33:48 +02:00
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#include <libintl.h>
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1998-01-31 09:39:55 +01:00
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#include <malloc.h>
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2003-05-04 09:00:44 +02:00
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#include <pwd.h>
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1998-01-31 09:39:55 +01:00
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#include <stdio.h>
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2004-02-18 19:07:21 +01:00
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#include <stdio_ext.h>
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1998-01-31 09:39:55 +01:00
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#include <stdlib.h>
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#include <string.h>
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2004-10-03 21:33:48 +02:00
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#include <unistd.h>
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1998-10-18 17:16:22 +02:00
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#include <sys/param.h>
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1998-01-31 09:39:55 +01:00
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#include <sys/types.h>
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#include "dbg_log.h"
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#include "nscd.h"
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2003-05-04 09:00:44 +02:00
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1998-10-18 17:16:22 +02:00
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/* Names of the databases. */
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2007-01-14 06:26:04 +01:00
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const char *const dbnames[lastdb] =
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1998-10-18 17:16:22 +02:00
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{
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[pwddb] = "passwd",
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[grpdb] = "group",
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2007-01-14 06:26:04 +01:00
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[hstdb] = "hosts",
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2011-10-07 16:06:31 +02:00
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[servdb] = "services",
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[netgrdb] = "netgroup"
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1998-10-18 17:16:22 +02:00
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};
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2005-08-24 08:37:27 +02:00
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static int
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find_db (const char *name)
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{
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for (int cnt = 0; cnt < lastdb; ++cnt)
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if (strcmp (name, dbnames[cnt]) == 0)
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return cnt;
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2007-01-14 06:26:04 +01:00
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error (0, 0, _("database %s is not supported"), name);
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2005-08-24 08:37:27 +02:00
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return -1;
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}
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1998-01-31 09:39:55 +01:00
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int
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2004-08-26 20:35:05 +02:00
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nscd_parse_file (const char *fname, struct database_dyn dbs[lastdb])
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1998-01-31 09:39:55 +01:00
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{
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FILE *fp;
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char *line, *cp, *entry, *arg1, *arg2;
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size_t len;
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1998-10-18 17:16:22 +02:00
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int cnt;
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2005-08-24 08:37:27 +02:00
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const unsigned int initial_error_message_count = error_message_count;
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1998-01-31 09:39:55 +01:00
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/* Open the configuration file. */
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fp = fopen (fname, "r");
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if (fp == NULL)
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return -1;
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2004-02-17 06:16:49 +01:00
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/* The stream is not used by more than one thread. */
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(void) __fsetlocking (fp, FSETLOCKING_BYCALLER);
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1998-01-31 09:39:55 +01:00
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line = NULL;
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len = 0;
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do
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{
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ssize_t n = getline (&line, &len, fp);
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if (n < 0)
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break;
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if (line[n - 1] == '\n')
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line[n - 1] = '\0';
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/* Because the file format does not know any form of quoting we
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can search forward for the next '#' character and if found
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make it terminating the line. */
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Update.
1999-04-28 Ulrich Drepper <drepper@cygnus.com>
* argp/argp-ba.c (argp_program_bug_address): Don't initialize with 0.
* argp/argp-parse.c (_argp_hang): Likewise.
* argp/argp-pv.c (argp_program_version): Likewise.
* argp/argp-pvh.c (argp_program_version_hook): Likewise.
* inet/ether_hton.c (ether_hton, startp): Likewise.
* inet/ether_ntoh.c (ether_ntoh, startp): Likewise.
* inet/getnetgrent_r.c (setup, startp): Likewise.
* intl/loadmsgcat.c (_nl_msg_cat_cntr): Likewise.
* intl/localealias.c (string_space, string_space_act, string_space_max,
nmap, maxmap): Likewise.
* libio/iopopen.c (proc_file_chain): Likewise.
* libio/oldiopopen.c (old_proc_file_chain): Likewise.
* locale/lc-collate.c (__collate_table, __collate_extra,
__collate_element_hash, __collate_element_strings,
__collate_element_values): Likewise.
* malloc/mcheck.c (mcheck_used): Likewise.
* malloc/mtrace.c (added_atexit_handler): Likewise.
* malloc/set-freeres.c (already_called): Likewise.
* misc/getpass.c (getpass) [buf, bufsize]: Likewise.
* misc/syslog.c (LogStat, LogTag): Likewise.
* nss/XXX-lookup.c (DATABASE_NAME_SYMBOL): Likewise.
* nss/getXXbyYY_r.c (startp): Likewise.
* posix/getopt.c (optarg, __getopt_initialized): Likewise.
* posix/regex.c (init_syntax_once) [done]: Likewise.
(debug): Likewise.
* string/strfry.c (init): Likewise.
* sunrpc/svc_run.c (svc_top): Likewise.
* posix/euidaccess.c (have_ids): Likewise.
* sysdeps/unix/sysv/linux/poll.c (must_emulate): Likewise.
* sysdeps/unix/sysv/linux/ttyname.c (__ttyname, namelen): Likewise.
* time/getdate.c (getdate_err): Likewise.
* time/tzfile.c (transitions, type_idxs, types, zone_names, leaps):
Likewise.
* time/tzset.c (old_tz, is_initialized): Likewise.
* inet/getnameinfo.c (nrl_domainname): Rewrite to allow initialization
of static data with zero.
* signal/allocrtsig.c (init): Likewise.
* string/Makefile (routines): Add strchrnul.
* string/Versions [GLIBC_2.1.1]: Add strchrnul.
* string/string.c: Add strchrnul prototype.
* include/string.h: Add __strchrnul prototype.
* sysdeps/generic/strchrnul.c: New file.
* sysdeps/i386/strchrnul.S: New file.
* sysdeps/i386/bits/string.c: Add strchrnul optimization.
* sysdeps/i386/i486/bits/string.c: Likewise.
* argp/argp-help.c (argp_args_usage): Use __strchrnul.
* inet/ether_line.c (ether_line): Likewise.
* nscd/nscd_conf.c (nscd_parse_file): Likewise.
* nss/nsswitch.c (nss_parse_file): Likewise.
* posix/execvp.c (execvp): Likewise.
* posix/fnmatch.c (internal_fnmatch): Likewise.
* resolv/res_hconf.c (_res_hconv_init): Likewise.
* resolv/res_init.c (res_init): Likewise.
* stdlib/fmtmsg.c (init): Likewise.
* stdlib/getsubopt.c (getsubopt): Likewise.
* catgets/catgets.c (catopen): Only allocate one memory block.
(catclose): Only one free call necessary.
* catgets/open_catalog.c (__open_catalog): Simplify handling of
file descriptor.
* ctype/ctype-extn.c: Make __toascii_l and __isascii_l alias instead
of real functions. Simplify _tolower and _toupper.
* grp/initgroups.c (compat_call): Remove unnecessary use of pointer
variable.
* iconv/gconv.h (struct gconv_info): Change data element from pointer
to array of size 0.
* iconv/gconv_open.c (__gconv_open): Allocate structures accordingly.
* iconv/gconv_close.c (__gconv_close): Don't free data.
* iconv/gconv_conf.c (add_alias): Avoid searching in tree twice to
insert new alias.
* iconv/gconv_db.c (add_derivation): More efficient copying. Check
for error while inserting in tree.
* include/time.h: Pretty print.
* inet/ruserpass.c: Rewrite use of toktab to avoid string pointers
in table and lots of relocations.
* posix/regex.c (regerror): Rewrite use of re_error_msgid to avoid
string pointers in table and lots of relocations.
* intl/finddomain.c: Remove definition of strchr macro.
* io/ftw.c (nftw_arr, ftw_arr): Make const.
* locale/loadlocale.c (_nl_load_locale): Optimize string copying.
* locale/localeinfo.h (_nl_category_names): Change into an array with
fixed width char string elements.
* locale/setlocale.c (_nl_category_names): Likewise.
(_nl_current): Make global.
* locale/nl_langinfo.c (nldata): Removed. Use _nl_current now.
* malloc/Makefile (distribute): Add stackinfo.h.
* sysdeps/generic/stackinfo.h: New file.
* sysdeps/i386/stackinfo.h: New file.
* posix/execl.c: Use stackinfo.h in optimizing alloca use.
* posix/execle.c: Likewise.
* posix/execlp.c: Likewise.
* nis/nis_table.c (__create_ib_request): Always use realloc.
* posix/execvp.c (execute): Rename to script_execute and keep only
code to execute using shell.
(execvp): Call execv directly and only fall back on script_execute.
* resolv/inet_net_pton.c (inet_net_pton_ipv4): Remove digits define
and always use xdigits instead.
* resolv/res_init.c (res_init): Use rawmemchr instead of strchr
where appropriate.
* stdlib/fpioconst.h (__tens): New declaration.
(struct mp_power): Remove array, add arrayoff element.
* stdlib/fpioconst.c: Replace definitions of _ten_p* arrays by one
__tens array and add in _fpioconst_pow10 offsets into __tens.
* stdio-common/printf_fp.c: Rewrite to use new __tens array.
* stdlib/strtod.c: Likewise.
* stdlib/a64l.c (a64l_table): Avoid unnecessary elements.
* stdlib/exit.c: Rewrite to use __exit_funcs being as sign for end
of the list.
* stdlib/atexit.c (__exit_funcs): Don't initialize.
* stdlib/fmtmsg.c (keywords): Make name element fixed width array.
* sunrpc/clnt_perr.c: Rewrite clnt_sperrno and auth_errmsg to use
a single and an array with offsets.
* sunrpc/des_soft.c (partab): Make it const.
* sunrpc/key_call.c (trytimeout, tottimeout): Make const.
(__key_encryptsession_pk_LOCAL): Don't initialize with 0.
(__key_decryptsession_pk_LOCAL): Likewise.
(__key_gendes_LOCAL): Likewise.
(MESSENGER): Mark const.
(key_call_private_main): Don't initialize with 0.
(use_keyenvoy): Don't initialize with 0.
(key_call): Rewrite to reverse logic of use_doors variable.
* sunrpc/netname.c (OPSYS): Define as array, not pointer.
(startp): Don't initialize with zero.
* sunrpc/openchild.c (_openchild): Make first argument const.
* sunrpc/pmap_rmt.c (timeout): Mark const.
* sunrpc/xcrypt.c (hex): Likewise.
* sysdeps/unix/sysv/linux/getcwd.c: Rewrite to allow omitting
initialization of global variables.
* sysdeps/unix/sysv/linux/getpt.c: Likewise.
* sysdeps/unix/sysv/linux/if_index.c: Likewise.
* termios/tcgetsid.c: Likewise.
* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (x86_cap_flags): Change
fxsr to osfxsr.
* time/tzfile.c (__tzfile_read): Rewrite to allocate only one memory
block. Add function to free memory if wanted.
* time/tzset.c (tzset_internal): Pass extra argument to __tzfile_read.
* wcsmbs/wcsmbsload.c (to_wc, to_mb): Correct initializers.
* wcsmbs/wmemset.c: Little code optimization.
1999-04-29 01:13:52 +02:00
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*strchrnul (line, '#') = '\0';
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1998-01-31 09:39:55 +01:00
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/* If the line is blank it is ignored. */
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if (line[0] == '\0')
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continue;
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entry = line;
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while (isspace (*entry) && *entry != '\0')
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++entry;
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cp = entry;
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while (!isspace (*cp) && *cp != '\0')
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++cp;
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arg1 = cp;
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++arg1;
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*cp = '\0';
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1998-09-07 01:45:24 +02:00
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if (strlen (entry) == 0)
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2005-08-24 08:37:27 +02:00
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error (0, 0, _("Parse error: %s"), line);
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1998-01-31 09:39:55 +01:00
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while (isspace (*arg1) && *arg1 != '\0')
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++arg1;
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cp = arg1;
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while (!isspace (*cp) && *cp != '\0')
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++cp;
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arg2 = cp;
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++arg2;
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*cp = '\0';
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if (strlen (arg2) > 0)
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{
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while (isspace (*arg2) && *arg2 != '\0')
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++arg2;
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cp = arg2;
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while (!isspace (*cp) && *cp != '\0')
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++cp;
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*cp = '\0';
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}
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if (strcmp (entry, "positive-time-to-live") == 0)
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{
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2005-08-24 08:37:27 +02:00
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int idx = find_db (arg1);
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if (idx >= 0)
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dbs[idx].postimeout = atol (arg2);
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1998-01-31 09:39:55 +01:00
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}
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else if (strcmp (entry, "negative-time-to-live") == 0)
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{
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2005-08-24 08:37:27 +02:00
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int idx = find_db (arg1);
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if (idx >= 0)
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dbs[idx].negtimeout = atol (arg2);
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1998-01-31 09:39:55 +01:00
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}
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else if (strcmp (entry, "suggested-size") == 0)
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{
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2005-08-24 08:37:27 +02:00
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int idx = find_db (arg1);
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if (idx >= 0)
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2008-03-04 02:54:09 +01:00
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dbs[idx].suggested_module
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= atol (arg2) ?: DEFAULT_SUGGESTED_MODULE;
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1998-10-18 17:16:22 +02:00
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}
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else if (strcmp (entry, "enable-cache") == 0)
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{
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2005-08-24 08:37:27 +02:00
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int idx = find_db (arg1);
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if (idx >= 0)
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{
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if (strcmp (arg2, "no") == 0)
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dbs[idx].enabled = 0;
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else if (strcmp (arg2, "yes") == 0)
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dbs[idx].enabled = 1;
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}
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1998-01-31 09:39:55 +01:00
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}
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1998-10-18 17:16:22 +02:00
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else if (strcmp (entry, "check-files") == 0)
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1998-01-31 09:39:55 +01:00
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{
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2005-08-24 08:37:27 +02:00
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int idx = find_db (arg1);
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if (idx >= 0)
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{
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if (strcmp (arg2, "no") == 0)
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dbs[idx].check_file = 0;
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else if (strcmp (arg2, "yes") == 0)
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dbs[idx].check_file = 1;
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}
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1998-01-31 09:39:55 +01:00
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}
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2005-08-24 01:21:53 +02:00
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else if (strcmp (entry, "max-db-size") == 0)
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{
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2005-08-24 08:37:27 +02:00
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int idx = find_db (arg1);
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if (idx >= 0)
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2008-03-04 02:54:09 +01:00
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dbs[idx].max_db_size = atol (arg2) ?: DEFAULT_MAX_DB_SIZE;
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2005-08-24 01:21:53 +02:00
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}
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1998-01-31 09:39:55 +01:00
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else if (strcmp (entry, "logfile") == 0)
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2004-02-17 06:16:49 +01:00
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set_logfile (arg1);
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1998-01-31 09:39:55 +01:00
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else if (strcmp (entry, "debug-level") == 0)
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{
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int level = atoi (arg1);
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if (level > 0)
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1998-10-18 17:16:22 +02:00
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debug_level = level;
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}
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else if (strcmp (entry, "threads") == 0)
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{
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if (nthreads == -1)
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nthreads = MAX (atol (arg1), lastdb);
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1998-01-31 09:39:55 +01:00
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}
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2004-10-03 23:11:37 +02:00
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else if (strcmp (entry, "max-threads") == 0)
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{
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max_nthreads = MAX (atol (arg1), lastdb);
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}
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2000-04-30 08:52:59 +02:00
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else if (strcmp (entry, "server-user") == 0)
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2011-07-20 02:13:31 +02:00
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{
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if (!arg1)
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error (0, 0, _("Must specify user name for server-user option"));
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else
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server_user = xstrdup (arg1);
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}
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2003-05-04 09:00:44 +02:00
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else if (strcmp (entry, "stat-user") == 0)
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2011-07-20 02:13:31 +02:00
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{
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if (arg1 == NULL)
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error (0, 0, _("Must specify user name for stat-user option"));
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else
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2003-05-04 09:00:44 +02:00
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{
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stat_user = xstrdup (arg1);
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struct passwd *pw = getpwnam (stat_user);
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if (pw != NULL)
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stat_uid = pw->pw_uid;
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}
|
2011-07-20 02:13:31 +02:00
|
|
|
}
|
2004-08-26 20:35:05 +02:00
|
|
|
else if (strcmp (entry, "persistent") == 0)
|
|
|
|
{
|
2005-08-24 08:37:27 +02:00
|
|
|
int idx = find_db (arg1);
|
|
|
|
if (idx >= 0)
|
|
|
|
{
|
|
|
|
if (strcmp (arg2, "no") == 0)
|
|
|
|
dbs[idx].persistent = 0;
|
|
|
|
else if (strcmp (arg2, "yes") == 0)
|
|
|
|
dbs[idx].persistent = 1;
|
|
|
|
}
|
2004-08-26 20:35:05 +02:00
|
|
|
}
|
2004-09-08 17:46:42 +02:00
|
|
|
else if (strcmp (entry, "shared") == 0)
|
|
|
|
{
|
2005-08-24 08:37:27 +02:00
|
|
|
int idx = find_db (arg1);
|
|
|
|
if (idx >= 0)
|
|
|
|
{
|
|
|
|
if (strcmp (arg2, "no") == 0)
|
|
|
|
dbs[idx].shared = 0;
|
|
|
|
else if (strcmp (arg2, "yes") == 0)
|
|
|
|
dbs[idx].shared = 1;
|
|
|
|
}
|
2004-09-08 17:46:42 +02:00
|
|
|
}
|
2004-08-26 20:35:05 +02:00
|
|
|
else if (strcmp (entry, "reload-count") == 0)
|
|
|
|
{
|
|
|
|
if (strcasecmp (arg1, "unlimited") == 0)
|
|
|
|
reload_count = UINT_MAX;
|
|
|
|
else
|
|
|
|
{
|
2011-07-20 02:13:31 +02:00
|
|
|
unsigned long int count = strtoul (arg1, NULL, 0);
|
2004-08-26 20:35:05 +02:00
|
|
|
if (count > UINT8_MAX - 1)
|
|
|
|
reload_count = UINT_MAX;
|
|
|
|
else
|
2011-07-20 02:13:31 +02:00
|
|
|
reload_count = count;
|
2004-08-26 20:35:05 +02:00
|
|
|
}
|
|
|
|
}
|
2004-10-03 21:33:48 +02:00
|
|
|
else if (strcmp (entry, "paranoia") == 0)
|
|
|
|
{
|
|
|
|
if (strcmp (arg1, "no") == 0)
|
|
|
|
paranoia = 0;
|
|
|
|
else if (strcmp (arg1, "yes") == 0)
|
|
|
|
paranoia = 1;
|
|
|
|
}
|
|
|
|
else if (strcmp (entry, "restart-interval") == 0)
|
|
|
|
{
|
|
|
|
if (arg1 != NULL)
|
|
|
|
restart_interval = atol (arg1);
|
|
|
|
else
|
2011-07-20 02:13:31 +02:00
|
|
|
error (0, 0, _("Must specify value for restart-interval option"));
|
2004-10-03 21:33:48 +02:00
|
|
|
}
|
2006-04-26 19:32:10 +02:00
|
|
|
else if (strcmp (entry, "auto-propagate") == 0)
|
|
|
|
{
|
|
|
|
int idx = find_db (arg1);
|
|
|
|
if (idx >= 0)
|
|
|
|
{
|
|
|
|
if (strcmp (arg2, "no") == 0)
|
|
|
|
dbs[idx].propagate = 0;
|
|
|
|
else if (strcmp (arg2, "yes") == 0)
|
|
|
|
dbs[idx].propagate = 1;
|
|
|
|
}
|
|
|
|
}
|
1998-01-31 09:39:55 +01:00
|
|
|
else
|
2005-08-24 08:37:27 +02:00
|
|
|
error (0, 0, _("Unknown option: %s %s %s"), entry, arg1, arg2);
|
1998-01-31 09:39:55 +01:00
|
|
|
}
|
2004-02-17 06:16:49 +01:00
|
|
|
while (!feof_unlocked (fp));
|
1998-01-31 09:39:55 +01:00
|
|
|
|
2004-10-03 21:33:48 +02:00
|
|
|
if (paranoia)
|
|
|
|
{
|
|
|
|
restart_time = time (NULL) + restart_interval;
|
|
|
|
|
|
|
|
/* Save the old current workding directory if we are in paranoia
|
|
|
|
mode. We have to change back to it. */
|
|
|
|
oldcwd = get_current_dir_name ();
|
|
|
|
if (oldcwd == NULL)
|
|
|
|
{
|
2005-08-24 08:37:27 +02:00
|
|
|
error (0, 0, _("\
|
2004-10-03 21:33:48 +02:00
|
|
|
cannot get current working directory: %s; disabling paranoia mode"),
|
|
|
|
strerror (errno));
|
|
|
|
paranoia = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-10-03 23:11:37 +02:00
|
|
|
/* Enforce sanity. */
|
|
|
|
if (max_nthreads < nthreads)
|
|
|
|
max_nthreads = nthreads;
|
|
|
|
|
2005-08-24 01:21:53 +02:00
|
|
|
for (cnt = 0; cnt < lastdb; ++cnt)
|
|
|
|
{
|
|
|
|
size_t datasize = (sizeof (struct database_pers_head)
|
|
|
|
+ roundup (dbs[cnt].suggested_module
|
|
|
|
* sizeof (ref_t), ALIGN)
|
|
|
|
+ (dbs[cnt].suggested_module
|
|
|
|
* DEFAULT_DATASIZE_PER_BUCKET));
|
|
|
|
if (datasize > dbs[cnt].max_db_size)
|
|
|
|
{
|
2005-08-24 08:37:27 +02:00
|
|
|
error (0, 0, _("maximum file size for %s database too small"),
|
2005-08-24 01:21:53 +02:00
|
|
|
dbnames[cnt]);
|
|
|
|
dbs[cnt].max_db_size = datasize;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
1998-01-31 09:39:55 +01:00
|
|
|
/* Free the buffer. */
|
|
|
|
free (line);
|
|
|
|
/* Close configuration file. */
|
|
|
|
fclose (fp);
|
|
|
|
|
2005-08-24 08:37:27 +02:00
|
|
|
return error_message_count != initial_error_message_count;
|
1998-01-31 09:39:55 +01:00
|
|
|
}
|