61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/*
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File: user_group.c
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(Linux Access Control List Management)
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Copyright (C) 1999, 2000
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Andreas Gruenbacher, <andreas.gruenbacher@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version.
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This program is distributed in the hope that it will be useful, but
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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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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include "user_group.h"
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const char *
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user_name(uid_t uid, int numeric)
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{
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struct passwd *passwd = numeric ? NULL : getpwuid(uid);
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static char uid_str[22];
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int ret;
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if (passwd != NULL)
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return passwd->pw_name;
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ret = snprintf(uid_str, sizeof(uid_str), "%ld", (long)uid);
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if (ret < 1 || (size_t)ret >= sizeof(uid_str))
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return "?";
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return uid_str;
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}
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const char *
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group_name(gid_t gid, int numeric)
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{
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struct group *group = numeric ? NULL : getgrgid(gid);
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static char gid_str[22];
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int ret;
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if (group != NULL)
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return group->gr_name;
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ret = snprintf(gid_str, sizeof(gid_str), "%ld", (long)gid);
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if (ret < 1 || (size_t)ret >= sizeof(gid_str))
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return "?";
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return gid_str;
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}
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