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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.
203 lines
4.7 KiB
C
203 lines
4.7 KiB
C
/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <rpc/rpc.h>
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#include "nsswitch.h"
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#define OPSYS_LEN 4
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#define MAXIPRINT (11) /* max length of printed integer */
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static const char OPSYS[] = "unix";
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int
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user2netname (char netname[MAXNETNAMELEN + 1], const uid_t uid,
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const char *domain)
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{
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char dfltdom[MAXNETNAMELEN + 1];
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size_t i;
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if (domain == NULL)
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{
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if (getdomainname (dfltdom, sizeof (dfltdom)) < 0)
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return 0;
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}
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else
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{
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strncpy (dfltdom, domain, MAXNETNAMELEN);
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dfltdom[MAXNETNAMELEN] = '\0';
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}
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if ((strlen (dfltdom) + OPSYS_LEN + 3 + MAXIPRINT) > (size_t) MAXNETNAMELEN)
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return 0;
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sprintf (netname, "%s.%d@%s", OPSYS, uid, dfltdom);
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i = strlen (netname);
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if (netname[i - 1] == '.')
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netname[i - 1] = '\0';
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return 1;
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}
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int
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host2netname (char netname[MAXNETNAMELEN + 1], const char *host,
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const char *domain)
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{
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char *p;
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char hostname[MAXHOSTNAMELEN + 1];
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char domainname[MAXHOSTNAMELEN + 1];
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char *dot_in_host;
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size_t i;
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netname[0] = '\0'; /* make null first (no need for memset) */
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if (host == NULL)
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__gethostname (hostname, MAXHOSTNAMELEN);
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else
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{
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strncpy (hostname, host, MAXHOSTNAMELEN);
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hostname[MAXHOSTNAMELEN] = '\0';
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}
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dot_in_host = strchr (hostname, '.');
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if (domain == NULL)
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{
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p = dot_in_host;
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if (p)
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{
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++p;
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strncpy (domainname, p, MAXHOSTNAMELEN);
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domainname[MAXHOSTNAMELEN] = '\0';
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}
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else
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{
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domainname[0] = 0;
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getdomainname (domainname, MAXHOSTNAMELEN);
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}
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}
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else
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{
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strncpy (domainname, domain, MAXHOSTNAMELEN);
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domainname[MAXHOSTNAMELEN] = '\0';
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}
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i = strlen (domainname);
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if (i == 0)
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/* No domainname */
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return 0;
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if (domainname[i - 1] == '.')
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domainname[i - 1] = 0;
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if (dot_in_host) /* strip off rest of name */
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*dot_in_host = '\0';
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if ((strlen (domainname) + strlen (hostname) + OPSYS_LEN + 3)
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> MAXNETNAMELEN)
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return 0;
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sprintf (netname, "%s.%s@%s", OPSYS, hostname, domainname);
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return 1;
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}
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int
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getnetname (char name[MAXNETNAMELEN + 1])
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{
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uid_t uid;
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int dummy;
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uid = __geteuid ();
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if (uid == 0)
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dummy = host2netname (name, NULL, NULL);
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else
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dummy = user2netname (name, uid, NULL);
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return (dummy);
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}
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/* Type of the lookup function for netname2user. */
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typedef int (*netname2user_function) (const char netname[MAXNETNAMELEN + 1],
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uid_t *, gid_t *, int *, gid_t *);
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/* The lookup function for the first entry of this service. */
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extern int __nss_publickey_lookup (service_user ** nip, const char *name,
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void **fctp);
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int
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netname2user (const char netname[MAXNETNAMELEN + 1], uid_t * uidp, gid_t * gidp,
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int *gidlenp, gid_t * gidlist)
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{
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static service_user *startp;
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static netname2user_function start_fct;
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service_user *nip;
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netname2user_function fct;
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enum nss_status status = NSS_STATUS_UNAVAIL;
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int no_more;
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if (startp == NULL)
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{
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no_more = __nss_publickey_lookup (&nip, "netname2user", (void **) &fct);
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if (no_more)
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startp = (service_user *) - 1;
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else
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{
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startp = nip;
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start_fct = fct;
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}
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}
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else
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{
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fct = start_fct;
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no_more = (nip = startp) == (service_user *) - 1;
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}
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while (!no_more)
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{
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status = (*fct) (netname, uidp, gidp, gidlenp, gidlist);
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no_more = __nss_next (&nip, "netname2user", (void **) &fct, status, 0);
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}
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return status == NSS_STATUS_SUCCESS;
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}
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int
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netname2host (const char netname[MAXNETNAMELEN + 1], char *hostname,
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const int hostlen)
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{
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char *p1, *p2;
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char buffer[MAXNETNAMELEN + 1];
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p1 = strchr (buffer, '.');
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if (p1 == NULL)
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return 0;
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p1++;
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p2 = strchr (p1, '@');
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if (p2 == NULL)
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return 0;
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*p2 = '\0';
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if (hostlen > MAXNETNAMELEN)
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return 0;
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strncpy (hostname, p1, hostlen);
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hostname[hostlen] = '\0';
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return 1;
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}
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