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authorJoseph Hunkeler <jhunkeler@gmail.com>2010-11-30 19:22:14 -0500
committerJoseph Hunkeler <jhunkeler@gmail.com>2010-11-30 19:22:14 -0500
commitfb35c173646f9e16dc0840bc636c696bef56cb2a (patch)
tree6c9816fcac962587918e1277db05e1188bef4a78 /nukectl.c
parent83006e3788088485164ea1464a02012c102995b5 (diff)
downloadNetNuke2-fb35c173646f9e16dc0840bc636c696bef56cb2a.tar.gz
Modified directory structure
Diffstat (limited to 'nukectl.c')
-rw-r--r--nukectl.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/nukectl.c b/nukectl.c
deleted file mode 100644
index 8b0897b..0000000
--- a/nukectl.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/**
- * NetNuke - Erases all storage media detected by the system
- * Copyright (C) 2009-2010 Joseph Hunkeler <jhunkeler@gmail.com, jhunk@stsci.edu>
- *
- * This file is part of NetNuke.
- *
- * NetNuke 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 3 of the License, or
- * (at your option) any later version.
- *
- * NetNuke 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 NetNuke. If not, see <http://www.gnu.org/licenses/>.
- **/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <pthread.h>
-#include "netnuke.h"
-
-FILE* randfp;
-unsigned int randseed;
-unsigned long long total_written_bytes;
-extern pthread_mutex_t lock_global;
-extern pthread_mutex_t lock_write;
-
-void* wipe(void* device)
-{
- nndevice_t* d = (nndevice_t*)device;
- int output_progress = 0;
- unsigned long int blocks = d->blksz * d->blks;
- unsigned long long blocks_written = 0;
- long double percent = 0.0L;
-
- FILE* fp = fopen(d->path, "w+t");
- if(fp == NULL)
- {
- COM(self, "Unable to open %s: %s\n", d->path, strerror(errno));
- return (int*)1;
- }
- COM(self, "path: %s, block size %d, blocks %llu, total bytes %llu\n",
- d->path, d->blksz, d->blks, d->sz);
-
- srand(nngetseed());
- while(blocks_written < blocks)
- {
- pthread_mutex_lock(&lock_global);
- blocks_written += nnwrite(fp, d->blksz);
- pthread_mutex_unlock(&lock_global);
-
- if(output_progress >= 102400)
- {
- percent = (long double)((blocks_written / (long double)d->sz) * 100);
- printf("%s: %llu of %llu (%0.2Lf%%)\n", d->path, blocks_written, d->sz, percent);
- output_progress = 0;
- }
- ++output_progress;
- }
- COM(self, "%s complete\n", d->path);
- pthread_exit(NULL);
-
- return NULL;
-}
-
-pthread_t nnthread(nndevice_t* device)
-{
- pthread_t thread;
- if((pthread_create(&thread, NULL, wipe, device)) != 0)
- {
- COM(self, "Failed to create thread %lu\n", thread);
- return 1;
- }
-
- return thread;
-}
-
-int nnwrite(FILE* fp, int bsize)
-{
- unsigned int bytes_written = 0;
- char* buffer = randstr(bsize);
- pthread_mutex_lock(&lock_write);
- //bytes_written = fwrite(buffer, sizeof(char), bsize, fp);
- bytes_written += bsize; //temporary testing
- total_written_bytes += bytes_written;
- pthread_mutex_unlock(&lock_write);
-
- free(buffer);
- return bytes_written;
-}
-
-void nnrandinit()
-{
- COM(self, "Initializing random seed\n");
- randfp = fopen("/dev/urandom", "r");
- if(randfp == NULL)
- {
- COM(self, "urandom: %s\n", strerror(errno));
- return;
- }
- srand(nngetseed());
-}
-
-void nnrandfree()
-{
- COM(self, "Closing urandom\n");
- fclose(randfp);
-}
-
-unsigned int nngetseed()
-{
- if((fread(&randseed, 1, sizeof(int), randfp)) > 0)
- {
- COM(self, "(urandom) Seed is %lu\n", randseed);
- return randseed;
- }
-
- unsigned int t = time(NULL);
- COM(self, "(UNIX Epoch) Seed is %lu\n", t);
- return t;
-}
-
-unsigned int nnrand(int min, int max)
-{
- return rand()%(min + max);
-}
-
-char* randstr(int size)
-{
- char* buffer = (char*)malloc(sizeof(char) * size + 1);
- unsigned char c;
- int i;
- for( i = 0 ; i < size ; i++ )
- {
- c = nnrand(1, 256);
- buffer[i] = c;
- }
-
- return buffer;
-}