/usr/src/blcr-0.8.2/vmadump4/vmadlib.c is in blcr-dkms 0.8.2-15ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 | /*-------------------------------------------------------------------------
* vmadlib.c: vmadump library management program
*
* Copyright (C) 1999-2001 by Erik Hendriks <erik@hendriks.cx>
*
* 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
*
* $Id: vmadlib.c,v 1.3 2004/12/07 22:20:35 phargrov Exp $
*-----------------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <syscall.h>
#include <limits.h>
#include "vmadump.h"
void usage(char *arg0) {
printf(
"Usage: %s -c\n"
" %s -a [libs...] \n"
" %s -d [libs...] \n"
" %s -l\n"
"\n"
" This program manages the VMAdump in-kernel library list.\n"
" -h Display this message and exit.\n"
" -v Display version information and exit.\n"
" -c Clear kernel library list.\n"
" -a [libs...] Add to the kernel library list.\n"
" -d [libs...] Delete from the kernel library list.\n"
" -l Print the contents of the kernel library list.\n",
arg0, arg0, arg0, arg0);
}
enum { MODE_CLEAR, MODE_ADD, MODE_DEL, MODE_LIST };
#ifdef __NR_vmadump
static
void add_lib(char *libname) {
if (syscall(__NR_vmadump, VMAD_LIB_ADD, libname) == -1) {
perror(libname);
exit(1);
}
}
static
void remove_lib(char *libname) {
if (syscall(__NR_vmadump, VMAD_LIB_DEL, libname) == -1) {
perror(libname);
/*exit(1);*/
}
}
static
void clear_libs(void) {
if (syscall(__NR_vmadump, VMAD_LIB_CLEAR) == -1) {
perror("VMAD_LIB_CLEAR");
exit(1);
}
}
#else
static
void add_lib(char *libname) {
if (bproc_libadd(libname)) {
perror(libname);
exit(1);
}
}
static
void remove_lib(char *libname) {
if (bproc_libdel(libname)) {
perror(libname);
}
}
static
void clear_libs(vois) {
if (bproc_libclear()) {
perror("VMAD_LIB_CLEAR");
exit(1);
}
}
#endif
static
void remove_trailing_newline(char *line) {
int len;
len = strlen(line);
if (line[len-1] == '\n') line[len-1] = 0;
}
int main(int argc, char *argv[]) {
int c,i;
int mode = -1;
int len;
char buf[PATH_MAX];
char *listbuf, *p;
while((c=getopt(argc, argv, "hvclad")) != EOF) {
switch(c) {
case 'h': usage(argv[0]); exit(0);
case 'v': printf("%s version %s\n", argv[0], PACKAGE_VERSION); exit(0);
case 'c': mode = MODE_CLEAR; break;
case 'l': mode = MODE_LIST; break;
case 'a': mode = MODE_ADD; break;
case 'd': mode = MODE_DEL; break;
default: exit(1);
}
}
switch(mode) {
case MODE_CLEAR:
if (argc - optind != 0) {
fprintf(stderr, "No library names allowed with -c\n");
exit(1);
}
clear_libs();
break;
case MODE_ADD:
for (i=optind; i < argc; i++) {
if (strcmp(argv[i], "-") == 0) {
while (fgets(buf, PATH_MAX, stdin)) {
remove_trailing_newline(buf);
add_lib(buf);
}
} else
add_lib(argv[i]);
}
break;
case MODE_DEL:
for (i=optind; i < argc; i++) {
if (strcmp(argv[i], "-") == 0) {
while (fgets(buf, PATH_MAX, stdin)) {
remove_trailing_newline(buf);
remove_lib(buf);
}
} else {
remove_lib(argv[i]);
}
}
break;
case MODE_LIST:
len = syscall(__NR_vmadump, VMAD_LIB_SIZE);
if (len == -1) {
perror("VMAD_LIB_SIZE");
exit(1);
}
listbuf = malloc(len);
if (!listbuf) {
fprintf(stderr, "Out of memory.\n");
exit(1);
}
if (syscall(__NR_vmadump, VMAD_LIB_LIST, listbuf, len) == -1) {
perror("VMAD_LIB_LIST");
exit(1);
}
/* print out the null delimited list of libraries */
for (p = listbuf; *p; p += strlen(p)+1)
printf("%s\n", p);
break;
default:
usage(argv[0]);
}
exit(0);
}
/*
* Local variables:
* c-basic-offset: 4
* End:
*/
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