diff options
Diffstat (limited to 'release/src/router/busybox/libpwdgrp/initgroups.c')
| -rw-r--r-- | release/src/router/busybox/libpwdgrp/initgroups.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/release/src/router/busybox/libpwdgrp/initgroups.c b/release/src/router/busybox/libpwdgrp/initgroups.c deleted file mode 100644 index ce63adb1..00000000 --- a/release/src/router/busybox/libpwdgrp/initgroups.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * initgroups.c - This file is part of the libc-8086/grp package for ELKS, - * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#include "busybox.h" - -#include <unistd.h> -#include <string.h> -#include <fcntl.h> -#include "grp_.h" - -/* - * Define GR_SCALE_DYNAMIC if you want grp to dynamically scale its read buffer - * so that lines of any length can be used. On very very small systems, - * you may want to leave this undefined becasue it will make the grp functions - * somewhat larger (because of the inclusion of malloc and the code necessary). - * On larger systems, you will want to define this, because grp will _not_ - * deal with long lines gracefully (they will be skipped). - */ -#undef GR_SCALE_DYNAMIC - -#ifndef GR_SCALE_DYNAMIC -/* - * If scaling is not dynamic, the buffers will be statically allocated, and - * maximums must be chosen. GR_MAX_LINE_LEN is the maximum number of - * characters per line in the group file. GR_MAX_MEMBERS is the maximum - * number of members of any given group. - */ -#define GR_MAX_LINE_LEN 128 -/* GR_MAX_MEMBERS = (GR_MAX_LINE_LEN-(24+3+6))/9 */ -#define GR_MAX_MEMBERS 11 - -#endif /* !GR_SCALE_DYNAMIC */ - - -/* - * Define GR_DYNAMIC_GROUP_LIST to make initgroups() dynamically allocate - * space for it's GID array before calling setgroups(). This is probably - * unnecessary scalage, so it's undefined by default. - */ -#undef GR_DYNAMIC_GROUP_LIST - -#ifndef GR_DYNAMIC_GROUP_LIST -/* - * GR_MAX_GROUPS is the size of the static array initgroups() uses for - * its static GID array if GR_DYNAMIC_GROUP_LIST isn't defined. - */ -#define GR_MAX_GROUPS 64 - -#endif /* !GR_DYNAMIC_GROUP_LIST */ - -int initgroups(__const char *user, gid_t gid) -{ - register struct group *group; - -#ifndef GR_DYNAMIC_GROUP_LIST - gid_t group_list[GR_MAX_GROUPS]; -#else - gid_t *group_list = NULL; -#endif - register char **tmp_mem; - int num_groups; - int grp_fd; - - - if ((grp_fd = open(bb_path_group_file, O_RDONLY)) < 0) - return -1; - - num_groups = 0; -#ifdef GR_DYNAMIC_GROUP_LIST - group_list = (gid_t *) realloc(group_list, 1); -#endif - group_list[num_groups] = gid; -#ifndef GR_DYNAMIC_GROUP_LIST - while (num_groups < GR_MAX_GROUPS && - (group = __getgrent(grp_fd)) != NULL) -#else - while ((group = __getgrent(grp_fd)) != NULL) -#endif - { - if (group->gr_gid != gid) - { - tmp_mem = group->gr_mem; - while (*tmp_mem != NULL) { - if (!strcmp(*tmp_mem, user)) { - num_groups++; -#ifdef GR_DYNAMIC_GROUP_LIST - group_list = (gid_t *) realloc(group_list, num_groups * - sizeof(gid_t *)); -#endif - group_list[num_groups-1] = group->gr_gid; - } - tmp_mem++; - } - } - } - close(grp_fd); - return setgroups(num_groups, group_list); -} |