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/*
* Copyright (C) 2014-2016 Firejail Authors
*
* This file is part of firejail project
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#if 0
#include "firejail.h"
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
typedef struct rdwr_t {
struct rdwr_t *next;
const char *path;
} RDWR;
RDWR *rdwr = NULL;
void fs_rdwr_add(const char *path) {
// verify path
if (*path != '/') {
fprintf(stderr, "Error: invalid path for read-write command\n");
exit(1);
}
invalid_filename(path);
if (is_link(path)) {
fprintf(stderr, "Error: invalid symbolic link for read-write command\n");
exit(1);
}
if (strstr(path, "..")) {
fprintf(stderr, "Error: invalid path for read-write command\n");
exit(1);
}
// print warning if the file doesn't exist
struct stat s;
if (stat(path, &s) == -1) {
fprintf(stderr, "Warning: %s not found, skipping read-write command\n", path);
return;
}
// build list entry
RDWR *r = malloc(sizeof(RDWR));
if (!r)
errExit("malloc");
memset(r, 0, sizeof(RDWR));
r->path = path;
// add
r->next = rdwr;
rdwr = r;
}
static void mount_rdwr(const char *path) {
assert(path);
// check directory exists
struct stat s;
int rv = stat(path, &s);
if (rv == 0) {
// mount --bind /bin /bin
if (mount(path, path, NULL, MS_BIND|MS_REC, NULL) < 0)
errExit("mount read-write");
// mount --bind -o remount,rw /bin
if (mount(NULL, path, NULL, MS_BIND|MS_REMOUNT|MS_REC, NULL) < 0)
errExit("mount read-write");
fs_logger2("read-write", path);
}
}
void fs_rdwr(void) {
RDWR *ptr = rdwr;
while (ptr) {
mount_rdwr(ptr->path);
ptr = ptr->next;
}
}
#endif
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