From: Jim Meyering Date: Tue, 22 Oct 1996 03:15:22 +0000 (+0000) Subject: . X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b2563cece53348c4edf37856e64f34519ec1760;p=pspp . --- diff --git a/lib/group-member.c b/lib/group-member.c deleted file mode 100644 index 9a079e2936..0000000000 --- a/lib/group-member.c +++ /dev/null @@ -1,151 +0,0 @@ -/* group-member.c -- determine whether group id is in calling user's group list - Copyright (C) 1994 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#ifdef HAVE_CONFIG_H -# include -#endif - -#include -#include - -#ifdef STDC_HEADERS -# include -#endif - -#ifdef HAVE_UNISTD_H -# include -#endif - -#include "group-member.h" - -char *xmalloc (); -char *xrealloc (); - -struct group_info - { - int n_groups; - GETGROUPS_T *group; - }; - -#ifdef HAVE_GETGROUPS - -static void -free_group_info (g) - struct group_info *g; -{ - free (g->group); - free (g); -} - -static struct group_info * -get_group_info () -{ - int n_groups; - int n_group_slots; - struct group_info *gi; - GETGROUPS_T *group; - - /* getgroups () returns the number of elements that it was able to - place into the array. We simply continue to call getgroups () - until the number of elements placed into the array is smaller than - the physical size of the array. */ - - group = NULL; - n_groups = 0; - n_group_slots = 0; - while (n_groups == n_group_slots) - { - n_group_slots += 64; - group = (GETGROUPS_T *) xrealloc (group, - n_group_slots * sizeof (GETGROUPS_T)); - n_groups = getgroups (n_group_slots, group); - } - - /* In case of error, the user loses. */ - if (n_groups < 0) - { - free (group); - return NULL; - } - - gi = (struct group_info *) xmalloc (sizeof (*gi)); - gi->n_groups = n_groups; - gi->group = group; - - return gi; -} - -#endif /* not HAVE_GETGROUPS */ - -/* Return non-zero if GID is one that we have in our groups list. - If there is no getgroups function, return non-zero if GID matches - either of the current or effective group IDs. */ - -int -group_member (gid) - gid_t gid; -{ -#ifndef HAVE_GETGROUPS - return ((gid == getgid ()) || (gid == getegid ())); -#else - int i; - int found; - struct group_info *gi; - - gi = get_group_info (); - if (gi == NULL) - return 0; - - /* Search through the list looking for GID. */ - found = 0; - for (i = 0; i < gi->n_groups; i++) - { - if (gid == gi->group[i]) - { - found = 1; - break; - } - } - - free_group_info (gi); - - return found; -#endif /* HAVE_GETGROUPS */ -} - -#ifdef TEST - -char *program_name; - -int -main (int argc, char** argv) -{ - int i; - - program_name = argv[0]; - - for (i=1; i +#endif + +#include +#include + +#ifdef STDC_HEADERS +# include +#endif + +#ifdef HAVE_UNISTD_H +# include +#endif + +#include "group-member.h" + +char *xmalloc (); +char *xrealloc (); + +struct group_info + { + int n_groups; + GETGROUPS_T *group; + }; + +#ifdef HAVE_GETGROUPS + +static void +free_group_info (g) + struct group_info *g; +{ + free (g->group); + free (g); +} + +static struct group_info * +get_group_info () +{ + int n_groups; + int n_group_slots; + struct group_info *gi; + GETGROUPS_T *group; + + /* getgroups () returns the number of elements that it was able to + place into the array. We simply continue to call getgroups () + until the number of elements placed into the array is smaller than + the physical size of the array. */ + + group = NULL; + n_groups = 0; + n_group_slots = 0; + while (n_groups == n_group_slots) + { + n_group_slots += 64; + group = (GETGROUPS_T *) xrealloc (group, + n_group_slots * sizeof (GETGROUPS_T)); + n_groups = getgroups (n_group_slots, group); + } + + /* In case of error, the user loses. */ + if (n_groups < 0) + { + free (group); + return NULL; + } + + gi = (struct group_info *) xmalloc (sizeof (*gi)); + gi->n_groups = n_groups; + gi->group = group; + + return gi; +} + +#endif /* not HAVE_GETGROUPS */ + +/* Return non-zero if GID is one that we have in our groups list. + If there is no getgroups function, return non-zero if GID matches + either of the current or effective group IDs. */ + +int +group_member (gid) + gid_t gid; +{ +#ifndef HAVE_GETGROUPS + return ((gid == getgid ()) || (gid == getegid ())); +#else + int i; + int found; + struct group_info *gi; + + gi = get_group_info (); + if (gi == NULL) + return 0; + + /* Search through the list looking for GID. */ + found = 0; + for (i = 0; i < gi->n_groups; i++) + { + if (gid == gi->group[i]) + { + found = 1; + break; + } + } + + free_group_info (gi); + + return found; +#endif /* HAVE_GETGROUPS */ +} + +#ifdef TEST + +char *program_name; + +int +main (int argc, char** argv) +{ + int i; + + program_name = argv[0]; + + for (i=1; i