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/*
* LTbasic2.c -- Lsof Test basic tests 2
*
* The basic tests measure the finding by liblsof of its own open CWD, open
* executable (when possible).
*
* V. Abell
* Purdue University
*/
/*
* Copyright 2002 Purdue Research Foundation, West Lafayette, Indiana
* 47907. All rights reserved.
*
* Written by V. Abell.
*
* This software is not subject to any license of the American Telephone
* and Telegraph Company or the Regents of the University of California.
*
* Permission is granted to anyone to use this software for any purpose on
* any computer system, and to alter it and redistribute it freely, subject
* to the following restrictions:
*
* 1. Neither the authors nor Purdue University are responsible for any
* consequences of the use of this software.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Credit to the authors and Purdue
* University must appear in documentation and sources.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 4. This notice may not be removed or altered.
*/
#include "lsof.h"
#include <stdio.h>
#include <sys/stat.h>
int main(int argc, char **argv) {
struct lsof_result *result;
struct lsof_context *ctx;
struct lsof_process *p;
struct lsof_file *f;
int pi, fi;
char buffer[128];
int exec_found = 0; /* executable found in result */
int cwd_found = 0; /* cwd found in result */
struct stat exec_stat;
struct stat cwd_stat;
if (stat(argv[0], &exec_stat)) {
fprintf(stderr, "Cannot stat %s, skipping executable check\n", argv[0]);
exec_found = 1;
}
if (stat(".", &cwd_stat)) {
fprintf(stderr, "Cannot stat '.', skipping cwd check\n");
cwd_found = 1;
}
ctx = lsof_new();
lsof_select_process(ctx, "LTbasic2", 0);
lsof_freeze(ctx);
lsof_gather(ctx, &result);
for (pi = 0; pi < result->num_processes; pi++) {
p = &result->processes[pi];
for (fi = 0; fi < p->num_files; fi++) {
f = &p->files[fi];
if (f->fd_type == LSOF_FD_PROGRAM_TEXT) {
/* check if device and inode matches */
if ((f->flags &
(LSOF_FILE_FLAG_DEV_VALID | LSOF_FILE_FLAG_INODE_VALID)) &&
f->dev == exec_stat.st_dev &&
f->inode == exec_stat.st_ino) {
exec_found = 1;
}
} else if (f->fd_type == LSOF_FD_CWD) {
/* check if device and inode matches */
if ((f->flags &
(LSOF_FILE_FLAG_DEV_VALID | LSOF_FILE_FLAG_INODE_VALID)) &&
f->dev == cwd_stat.st_dev && f->inode == cwd_stat.st_ino) {
cwd_found = 1;
}
}
}
}
lsof_free_result(result);
lsof_destroy(ctx);
if (!exec_found) {
fprintf(stderr, "ERROR!!! open LTbasic2 executable wasn't found.\n");
}
if (!cwd_found) {
fprintf(stderr, "ERROR!!! current working directory wasn't found.\n");
}
return !(exec_found && cwd_found);
}
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