mirror of
https://github.com/sheumann/hush.git
synced 2024-12-27 01:32:08 +00:00
123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini lsmod implementation for busybox
|
|
*
|
|
* Copyright (C) 1999,2000 by Lineo, inc.
|
|
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
|
|
*
|
|
* 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
|
|
*
|
|
*/
|
|
|
|
#include "internal.h"
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <stddef.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <dirent.h>
|
|
#include <ctype.h>
|
|
#include <assert.h>
|
|
#include <getopt.h>
|
|
#include <sys/utsname.h>
|
|
|
|
|
|
|
|
struct module_info
|
|
{
|
|
unsigned long addr;
|
|
unsigned long size;
|
|
unsigned long flags;
|
|
long usecount;
|
|
};
|
|
|
|
|
|
int query_module(const char *name, int which, void *buf, size_t bufsize,
|
|
size_t *ret);
|
|
|
|
/* Values for query_module's which. */
|
|
#define QM_MODULES 1
|
|
#define QM_DEPS 2
|
|
#define QM_REFS 3
|
|
#define QM_SYMBOLS 4
|
|
#define QM_INFO 5
|
|
|
|
/* Bits of module.flags. */
|
|
#define NEW_MOD_RUNNING 1
|
|
#define NEW_MOD_DELETED 2
|
|
#define NEW_MOD_AUTOCLEAN 4
|
|
#define NEW_MOD_VISITED 8
|
|
#define NEW_MOD_USED_ONCE 16
|
|
#define NEW_MOD_INITIALIZING 64
|
|
|
|
|
|
extern int lsmod_main(int argc, char **argv)
|
|
{
|
|
struct module_info info;
|
|
char *module_names, *mn, *deps, *dn;
|
|
size_t bufsize, nmod, count, i, j;
|
|
|
|
module_names = xmalloc(bufsize = 256);
|
|
deps = xmalloc(bufsize);
|
|
if (query_module(NULL, QM_MODULES, module_names, bufsize, &nmod)) {
|
|
fatalError("QM_MODULES: %s\n", strerror(errno));
|
|
}
|
|
|
|
printf("Module Size Used by\n");
|
|
for (i = 0, mn = module_names; i < nmod; mn += strlen(mn) + 1, i++) {
|
|
if (query_module(mn, QM_INFO, &info, sizeof(info), &count)) {
|
|
if (errno == ENOENT) {
|
|
/* The module was removed out from underneath us. */
|
|
continue;
|
|
}
|
|
/* else choke */
|
|
fatalError("module %s: QM_INFO: %s\n", mn, strerror(errno));
|
|
}
|
|
while (query_module(mn, QM_REFS, deps, bufsize, &count)) {
|
|
if (errno == ENOENT) {
|
|
/* The module was removed out from underneath us. */
|
|
continue;
|
|
}
|
|
if (errno != ENOSPC) {
|
|
fatalError("module %s: QM_REFS: %s", mn, strerror(errno));
|
|
}
|
|
deps = xrealloc(deps, bufsize = count);
|
|
}
|
|
printf("%-20s%8lu%4ld ", mn, info.size, info.usecount);
|
|
if (count) printf("[");
|
|
for (j = 0, dn = deps; j < count; dn += strlen(dn) + 1, j++) {
|
|
printf("%s%s", dn, (j==count-1)? "":" ");
|
|
}
|
|
if (count) printf("]");
|
|
printf("\n");
|
|
|
|
if (info.flags & NEW_MOD_DELETED)
|
|
printf(" (deleted)");
|
|
else if (info.flags & NEW_MOD_INITIALIZING)
|
|
printf(" (initializing)");
|
|
else if (!(info.flags & NEW_MOD_RUNNING))
|
|
printf(" (uninitialized)");
|
|
else {
|
|
if (info.flags & NEW_MOD_AUTOCLEAN)
|
|
printf(" (autoclean)");
|
|
if (!(info.flags & NEW_MOD_USED_ONCE))
|
|
printf(" (unused)");
|
|
}
|
|
}
|
|
|
|
|
|
return( 0);
|
|
}
|