mirror of
https://github.com/sheumann/hush.git
synced 2024-07-06 04:28:58 +00:00
f15dfc5570
"This patch fixes all the bugs in id previously spotted by vodz and me. The binary size increased a bit, but now it should work as expected."
65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Utility routines.
|
|
*
|
|
* Copyright (C) 2004 by Tito Ragusa <farmatito@tiscali.it>
|
|
*
|
|
* 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 of the License, 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
|
|
*/
|
|
|
|
/*
|
|
*
|
|
* if bufsize is > 0 char *idname can not be set to NULL.
|
|
* On success idname is written on static allocated buffer
|
|
* (and a pointer to it is returned).
|
|
* On failure uid or gid as string is written to static allocated buffer
|
|
* and NULL is returned.
|
|
* if bufsize is = 0 char *idname can be set to NULL.
|
|
* On success idname is returned.
|
|
* On failure NULL is returned.
|
|
* if bufsize is < 0 char *idname can be set to NULL.
|
|
* On success idname is returned.
|
|
* On failure an error message is printed and the program exits.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <assert.h>
|
|
#include "libbb.h"
|
|
|
|
|
|
/* internal function for my_getpwuid and my_getgrgid */
|
|
char * my_getug(char *buffer, char *idname, long id, int bufsize, char prefix)
|
|
{
|
|
if(bufsize > 0 ) {
|
|
assert(buffer!=NULL);
|
|
if(idname) {
|
|
return safe_strncpy(buffer, idname, bufsize);
|
|
}
|
|
snprintf(buffer, bufsize, "%ld", id);
|
|
} else if(bufsize < 0 && !idname) {
|
|
bb_error_msg_and_die("unknown %cid %ld", prefix, id);
|
|
}
|
|
return idname;
|
|
}
|
|
|
|
/* END CODE */
|
|
/*
|
|
Local Variables:
|
|
c-file-style: "linux"
|
|
c-basic-offset: 4
|
|
tab-width: 4
|
|
End:
|
|
*/
|