int mkdir_p(char *path)
{
char *slash;
for(slash = strchr(path, '/');
slash;
slash = strchr(slash + 1, '/')) {
*slash = '\0';
if(mkdir2(path))
return 1;
*slash = '/';
}
return 0;
}
/**
Cria um novo diretorio
*/
void cmdMkdir(void) {
// get first parameter => pathname
char *token = strtok(NULL," \t");
if (token==NULL) {
printf ("Missing parameter\n");
return;
}
// change working dir
int err = mkdir2(token);
if (err<0) {
printf ("Error: %d\n", err);
return;
}
printf ("Created new directory\n");
}
static void stage_file_test(void)
{
static int name[] = { CTL_NET, NET_IPV4, NET_IPV4_LOCAL_PORT_RANGE };
int buffer[2] = { 32768, 61000 };
size_t size = sizeof(buffer);
int pipe_fd[2] = { EOF, EOF };
int error = 0;
int fd;
char pbuffer[1024];
struct stat sbuf;
struct sockaddr_un addr;
struct ifreq ifreq;
char *filename = "";
set_profile(3, "file::execute");
set_profile(3, "file::open");
set_profile(3, "file::create");
set_profile(3, "file::unlink");
set_profile(3, "file::mkdir");
set_profile(3, "file::rmdir");
set_profile(3, "file::mkfifo");
set_profile(3, "file::mksock");
set_profile(3, "file::truncate");
set_profile(3, "file::symlink");
set_profile(3, "file::rewrite");
set_profile(3, "file::mkblock");
set_profile(3, "file::mkchar");
set_profile(3, "file::link");
set_profile(3, "file::rename");
set_profile(3, "file::chmod");
set_profile(3, "file::chown");
set_profile(3, "file::chgrp");
set_profile(3, "file::ioctl");
set_profile(3, "file::chroot");
set_profile(3, "file::mount");
set_profile(3, "file::umount");
set_profile(3, "file::pivot_root");
policy = "allow_read /proc/sys/net/ipv4/ip_local_port_range";
write_domain_policy(policy, 0);
show_result(sysctl(name, 3, buffer, &size, 0, 0), 1);
write_domain_policy(policy, 1);
show_result(sysctl(name, 3, buffer, &size, 0, 0), 0);
policy = "allow_write /proc/sys/net/ipv4/ip_local_port_range";
write_domain_policy(policy, 0);
show_result(sysctl(name, 3, 0, 0, buffer, size), 1);
write_domain_policy(policy, 1);
show_result(sysctl(name, 3, 0, 0, buffer, size), 0);
policy = "allow_read/write /proc/sys/net/ipv4/ip_local_port_range";
write_domain_policy(policy, 0);
show_result(sysctl(name, 3, buffer, &size, buffer, size), 1);
write_domain_policy(policy, 1);
show_result(sysctl(name, 3, buffer, &size, buffer, size), 0);
policy = "allow_read /bin/true";
write_domain_policy(policy, 0);
show_result(uselib("/bin/true"), 1);
write_domain_policy(policy, 1);
show_result(uselib("/bin/true"), 0);
policy = "allow_execute /bin/true";
write_domain_policy(policy, 0);
fflush(stdout);
fflush(stderr);
if (pipe(pipe_fd) == -1)
err(1, "pipe");
if (fork() == 0) {
execl("/bin/true", "/bin/true", NULL);
if (write(pipe_fd[1], &errno, sizeof(errno)) == -1)
err(1, "write");
exit(0);
}
close(pipe_fd[1]);
(void)read(pipe_fd[0], &error, sizeof(error));
close(pipe_fd[0]);
wait(NULL);
errno = error;
show_result(error ? EOF : 0, 1);
write_domain_policy(policy, 1);
fflush(stdout);
fflush(stderr);
if (pipe(pipe_fd) == -1)
err(1, "pipe");
if (fork() == 0) {
execl("/bin/true", "/bin/true", NULL);
if (write(pipe_fd[1], &errno, sizeof(errno)) == -1)
err(1, "write");
_exit(0);
}
close(pipe_fd[1]);
(void)read(pipe_fd[0], &error, sizeof(error));
close(pipe_fd[0]);
wait(NULL);
errno = error;
show_result(errno ? EOF : 0, 0);
policy = "allow_read /dev/null";
write_domain_policy(policy, 0);
fd = open("/dev/null", O_RDONLY);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open("/dev/null", O_RDONLY);
show_result(fd, 0);
if (fd != EOF)
close(fd);
policy = "allow_read /dev/null";
write_domain_policy(policy, 0);
fd = open("/dev/null", O_RDONLY);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open("/dev/null", O_RDONLY);
show_result(fd, 0);
if (fd != EOF)
close(fd);
policy = "allow_read /dev/null";
write_domain_policy(policy, 0);
fd = open("/dev/null", O_RDONLY);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open("/dev/null", O_RDONLY);
show_result(fd, 0);
if (fd != EOF)
close(fd);
policy = "allow_read /dev/null";
write_domain_policy(policy, 0);
fd = open("/dev/null", O_RDONLY);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open("/dev/null", O_RDONLY);
show_result(fd, 0);
if (fd != EOF)
close(fd);
set_profile(3, "file::mkfifo");
policy = "allow_mkfifo /tmp/mknod_fifo_test 0644";
write_domain_policy(policy, 0);
filename = "/tmp/mknod_fifo_test";
show_result(mknod(filename, S_IFIFO | 0644, 0), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(mknod(filename, S_IFIFO | 0644, 0), 0);
memset(pbuffer, 0, sizeof(pbuffer));
memset(&sbuf, 0, sizeof(sbuf));
filename = "/dev/null";
stat(filename, &sbuf);
snprintf(pbuffer, sizeof(pbuffer) - 1,
"allow_write %s", filename);
policy = pbuffer;
write_domain_policy(policy, 0);
fd = open(filename, O_WRONLY);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open(filename, O_WRONLY);
show_result(fd, 0);
if (fd != EOF)
close(fd);
policy = "allow_read/write /tmp/fifo";
mkfifo2("/tmp/fifo");
write_domain_policy(policy, 0);
fd = open("/tmp/fifo", O_RDWR);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open("/tmp/fifo", O_RDWR);
show_result(fd, 0);
if (fd != EOF)
close(fd);
policy = "allow_read /dev/null";
write_domain_policy(policy, 0);
fd = open("/dev/null", O_RDONLY);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open("/dev/null", O_RDONLY);
show_result(fd, 0);
if (fd != EOF)
close(fd);
policy = "allow_write /dev/null";
write_domain_policy(policy, 0);
fd = open("/dev/null", O_WRONLY);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open("/dev/null", O_WRONLY);
show_result(fd, 0);
if (fd != EOF)
close(fd);
policy = "allow_read/write /dev/null";
write_domain_policy(policy, 0);
fd = open("/dev/null", O_RDWR);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open("/dev/null", O_RDWR);
show_result(fd, 0);
if (fd != EOF)
close(fd);
policy = "allow_create /tmp/open_test 0644";
write_domain_policy(policy, 0);
policy = "allow_write /tmp/open_test";
write_domain_policy(policy, 0);
fd = open("/tmp/open_test", O_WRONLY | O_CREAT | O_EXCL, 0644);
show_result(fd, 1);
if (fd != EOF)
close(fd);
unlink2("/tmp/open_test");
write_domain_policy(policy, 1);
fd = open("/tmp/open_test", O_WRONLY | O_CREAT | O_EXCL, 0644);
show_result(fd, 0);
if (fd != EOF)
close(fd);
unlink2("/tmp/open_test");
policy = "allow_create /tmp/open_test 0644";
write_domain_policy(policy, 1);
policy = "allow_write /tmp/open_test";
write_domain_policy(policy, 0);
policy = "allow_create /tmp/open_test 0644";
write_domain_policy(policy, 0);
fd = open("/tmp/open_test", O_WRONLY | O_CREAT | O_EXCL, 0644);
show_result(fd, 1);
if (fd != EOF)
close(fd);
unlink2("/tmp/open_test");
write_domain_policy(policy, 1);
fd = open("/tmp/open_test", O_WRONLY | O_CREAT | O_EXCL, 0644);
show_result(fd, 0);
if (fd != EOF)
close(fd);
unlink2("/tmp/open_test");
policy = "allow_write /tmp/open_test";
write_domain_policy(policy, 1);
filename = "/tmp/truncate_test";
create2(filename);
policy = "allow_truncate /tmp/truncate_test";
write_domain_policy(policy, 0);
policy = "allow_write /tmp/truncate_test";
write_domain_policy(policy, 0);
fd = open(filename, O_WRONLY | O_TRUNC);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open(filename, O_WRONLY | O_TRUNC);
show_result(fd, 0);
if (fd != EOF)
close(fd);
policy = "allow_truncate /tmp/truncate_test";
write_domain_policy(policy, 1);
policy = "allow_write /tmp/truncate_test";
write_domain_policy(policy, 0);
policy = "allow_truncate /tmp/truncate_test";
write_domain_policy(policy, 0);
fd = open(filename, O_WRONLY | O_TRUNC);
show_result(fd, 1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
fd = open(filename, O_WRONLY | O_TRUNC);
show_result(fd, 0);
if (fd != EOF)
close(fd);
policy = "allow_write /tmp/truncate_test";
write_domain_policy(policy, 1);
policy = "allow_truncate /tmp/truncate_test";
write_domain_policy(policy, 0);
show_result(truncate(filename, 0), 1);
write_domain_policy(policy, 1);
show_result(truncate(filename, 0), 0);
policy = "allow_truncate /tmp/truncate_test";
write_domain_policy(policy, 0);
set_profile(0, "file::open");
fd = open(filename, O_WRONLY);
set_profile(3, "file::open");
show_result(ftruncate(fd, 0), 1);
write_domain_policy(policy, 1);
show_result(ftruncate(fd, 0), 0);
if (fd != EOF)
close(fd);
unlink2(filename);
policy = "allow_create /tmp/mknod_reg_test 0644";
write_domain_policy(policy, 0);
filename = "/tmp/mknod_reg_test";
show_result(mknod(filename, S_IFREG | 0644, 0), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(mknod(filename, S_IFREG | 0644, 0), 0);
policy = "allow_mkchar /tmp/mknod_chr_test 0644 1 3";
write_domain_policy(policy, 0);
filename = "/tmp/mknod_chr_test";
show_result(mknod(filename, S_IFCHR | 0644, MKDEV(1, 3)), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(mknod(filename, S_IFCHR | 0644, MKDEV(1, 3)), 0);
policy = "allow_mkblock /tmp/mknod_blk_test 0644 1 0";
write_domain_policy(policy, 0);
filename = "/tmp/mknod_blk_test";
show_result(mknod(filename, S_IFBLK | 0644, MKDEV(1, 0)), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(mknod(filename, S_IFBLK | 0644, MKDEV(1, 0)), 0);
policy = "allow_mkfifo /tmp/mknod_fifo_test 0644";
write_domain_policy(policy, 0);
filename = "/tmp/mknod_fifo_test";
show_result(mknod(filename, S_IFIFO | 0644, 0), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(mknod(filename, S_IFIFO | 0644, 0), 0);
policy = "allow_mksock /tmp/mknod_sock_test 0644";
write_domain_policy(policy, 0);
filename = "/tmp/mknod_sock_test";
show_result(mknod(filename, S_IFSOCK | 0644, 0), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(mknod(filename, S_IFSOCK | 0644, 0), 0);
policy = "allow_mkdir /tmp/mkdir_test/ 0600";
write_domain_policy(policy, 0);
filename = "/tmp/mkdir_test";
show_result(mkdir(filename, 0600), 1);
write_domain_policy(policy, 1);
rmdir2(filename);
show_result(mkdir(filename, 0600), 0);
policy = "allow_rmdir /tmp/rmdir_test/";
write_domain_policy(policy, 0);
filename = "/tmp/rmdir_test";
mkdir2(filename);
show_result(rmdir(filename), 1);
write_domain_policy(policy, 1);
mkdir2(filename);
show_result(rmdir(filename), 0);
rmdir2(filename);
policy = "allow_unlink /tmp/unlink_test";
write_domain_policy(policy, 0);
filename = "/tmp/unlink_test";
create2(filename);
show_result(unlink(filename), 1);
write_domain_policy(policy, 1);
create2(filename);
show_result(unlink(filename), 0);
unlink2(filename);
policy = "allow_symlink /tmp/symlink_source_test";
write_domain_policy(policy, 0);
filename = "/tmp/symlink_source_test";
show_result(symlink("/tmp/symlink_dest_test", filename), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(symlink("/tmp/symlink_dest_test", filename), 0);
policy = "allow_symlink /tmp/symlink_source_test";
write_domain_policy(policy, 0);
filename = "/tmp/symlink_source_test";
show_result(symlink("/tmp/symlink_dest_test", filename), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(symlink("/tmp/symlink_dest_test", filename), 0);
policy = "allow_symlink /tmp/symlink_source_test";
write_domain_policy(policy, 0);
filename = "/tmp/symlink_source_test";
show_result(symlink("/tmp/symlink_dest_test", filename), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(symlink("/tmp/symlink_dest_test", filename), 0);
policy = "allow_symlink /tmp/symlink_source_test";
write_domain_policy(policy, 0);
filename = "/tmp/symlink_source_test";
show_result(symlink("/tmp/symlink_dest_test", filename), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(symlink("/tmp/symlink_dest_test", filename), 0);
policy = "allow_symlink /tmp/symlink_source_test";
write_domain_policy(policy, 0);
filename = "/tmp/symlink_source_test";
show_result(symlink("/tmp/symlink_dest_test", filename), 1);
write_domain_policy(policy, 1);
unlink2(filename);
show_result(symlink("/tmp/symlink_dest_test", filename), 0);
policy = "allow_link /tmp/link_source_test /tmp/link_dest_test";
write_domain_policy(policy, 0);
filename = "/tmp/link_source_test";
create2(filename);
show_result(link(filename, "/tmp/link_dest_test"), 1);
write_domain_policy(policy, 1);
unlink2("/tmp/link_dest_test");
show_result(link(filename, "/tmp/link_dest_test"), 0);
unlink2(filename);
policy = "allow_rename /tmp/rename_source_test /tmp/rename_dest_test";
write_domain_policy(policy, 0);
filename = "/tmp/rename_source_test";
create2(filename);
show_result(rename(filename, "/tmp/rename_dest_test"), 1);
write_domain_policy(policy, 1);
unlink2("/tmp/rename_dest_test");
create2(filename);
show_result(rename(filename, "/tmp/rename_dest_test"), 0);
unlink2(filename);
policy = "allow_mksock /tmp/socket_test 0755";
write_domain_policy(policy, 0);
filename = "/tmp/socket_test";
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, filename, sizeof(addr.sun_path) - 1);
fd = socket(AF_UNIX, SOCK_STREAM, 0);
show_result(bind(fd, (struct sockaddr *) &addr, sizeof(addr)),
1);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
unlink2(filename);
fd = socket(AF_UNIX, SOCK_STREAM, 0);
show_result(bind(fd, (struct sockaddr *) &addr, sizeof(addr)),
0);
if (fd != EOF)
close(fd);
filename = "/tmp/rewrite_test";
create2(filename);
policy = "allow_read/write /tmp/rewrite_test";
write_domain_policy(policy, 0);
write_exception_policy("deny_rewrite /tmp/rewrite_test", 0);
policy = "allow_truncate /tmp/rewrite_test";
write_domain_policy(policy, 0);
fd = open(filename, O_RDONLY);
show_result(fd, 1);
if (fd != EOF)
close(fd);
fd = open(filename, O_WRONLY | O_APPEND);
show_result(fd, 1);
if (fd != EOF)
close(fd);
fd = open(filename, O_WRONLY);
show_result(fd, 0);
if (fd != EOF)
close(fd);
fd = open(filename, O_WRONLY | O_TRUNC);
show_result(fd, 0);
if (fd != EOF)
close(fd);
fd = open(filename, O_WRONLY | O_TRUNC | O_APPEND);
show_result(fd, 0);
if (fd != EOF)
close(fd);
show_result(truncate(filename, 0), 0);
set_profile(0, "file::open");
fd = open(filename, O_WRONLY | O_APPEND);
set_profile(3, "file::open");
show_result(ftruncate(fd, 0), 0);
show_result(fcntl(fd, F_SETFL,
fcntl(fd, F_GETFL) & ~O_APPEND), 0);
if (fd != EOF)
close(fd);
write_domain_policy(policy, 1);
policy = "allow_read/write /tmp/rewrite_test";
write_domain_policy(policy, 1);
write_exception_policy("deny_rewrite /tmp/rewrite_test", 1);
unlink2(filename);
policy = "allow_ioctl socket:[family=2:type=2:protocol=17] "
"35122-35124";
write_domain_policy(policy, 0);
fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
memset(&ifreq, 0, sizeof(ifreq));
snprintf(ifreq.ifr_name, sizeof(ifreq.ifr_name) - 1,
"lo");
show_result(ioctl(fd, 35123, &ifreq), 1);
write_domain_policy(policy, 1);
policy = "allow_ioctl "
"socket:[family=2:type=2:protocol=17] 0-35122";
write_domain_policy(policy, 0);
show_result(ioctl(fd, 35123, &ifreq), 0);
write_domain_policy(policy, 1);
if (fd != EOF)
close(fd);
}
void bash (char *file_name){
/*
ls: lista todas as entradas do diretório corrente. Parâmetro extra "-l": lista o tamanho dos arquivos(num_blocks*tam_blocks), as permissões e o time stamp.
chmod <permissões> <nome_arquivo>: troca as permissões de nome_arquivo. As permissões respeitam a ordem RWE, onde chmod 111 representa permissão total, e chmod 100 apenas leitura.
mkdir <nome_dir>: cria um diretório chamado nome_dir.
chdir <nome_dir>: troca o diretório corrente para o nome_dir.
rm <alvo>: remove alvo do sistema de arquivos, seja arquivo ou diretório. Caso diretório, ele deve visitar cada filho e remove-lo.
echo <dado> <alvo>: cria um arquivo alvo e insere dado. Caso alvo exista, seus blocos devem ser removidos e dado adicionado na nova lista de blocos. Alvo deve ser um arquivo no diretório corrente. Caso dado contenha espaços, '"' deve ser usado, p.ex.: echo "uma frase de exemplo" arquivo1.
cat <alvo>: o conteúdo arquivo alvo é lido e impresso na tela.
exit: termina o bash mode e sai da ferramenta.
*/
//char command_line[COMMAND_SIZE];
//char command[COMMAND_SIZE];
//char last;
//int i = 0;
//printf("Entrei no Bash! %s\n", file_name);
Filesystem fs = fileToFilesystem (file_name);
int32_t nb = fs->superblock->number_of_blocks;
int32_t ni = fs->superblock->number_of_inodes;
int32_t nd = fs->superblock->number_of_dir;
int32_t block_size = fs->superblock->block_size;
FILE* file = fopen(file_name, "r+");
int32_t fib = fs->first_inodeblock;
int32_t fdb = fs->first_datablock;
char ib[1024];
char dbb[FILE_SIZE/512];
int32_t i = 0;
for(i=0;i<FILE_SIZE/block_size;i++)
dbb[i] = fs->datablock_bitmap->map[i];
ib[0] = 1;
for(i=1;i<1024;i++)
ib[i] = fs->inode_bitmap->map[i];
inode current_dir;
current_dir.number = 0;
current_dir.permition = 111;
current_dir.father = -1;
current_dir.number_of_blocks = 0;
current_dir.dir = 1;
strcpy(current_dir.name,"");
strcpy(current_dir.type,"");
free(fs);
char input[256];
char* tok;
printf("Comandos funcionando: mkdir, chdir, ls (-l)");
while(1) {
// Tratando entrada
printf("bash.fs >");
char c = getchar();
int i = 0;
while (c != '\n') {
input[i] = c;
c = getchar ();
i++;
}
input[i] = '\0';
//printf ("%s\n", input);
tok = strtok (input, " ");
if(strcmp(tok, "ls") == 0) {
//ls
//printf("Comando ls\n");
tok = strtok (NULL, " ");
ls2(block_size, fib, file, ¤t_dir, tok);
}
else if(strcmp(tok, "chmod") == 0) {
//chmod
//printf("Comando chmod\n");
}
else if(strcmp(tok, "mkdir") == 0){
tok = strtok (NULL, " ");
if (tok == NULL)
printf ("Wrong parameters for mkdir");
else {
//mkdir (fs, fs->inodes[fs->current_dir], tok);
mkdir2 (ib, fib, &ni, &nd, block_size, file, ¤t_dir, tok);
update(file, block_size, fib, ni, nb, nd, ib, dbb);
//filesystemToFile (fs, file_name);
//printFilesystem (fs);
}
}
else if(strcmp(tok, "chdir") == 0){
//chdir
//printf("Comando chdir\n");
tok = strtok (NULL, " ");
chdir2(¤t_dir, tok, ib, block_size, file, fib);
//for (int i = 0; i < MAX_INODES; i++) {
// if (fs->inodes[i] != NULL) {
// if (fs->inodes[i]->dir == 1) {
// if (strcmp (fs->inodes[i]->name, tok) == 0)
// chdir (fs, fs->inodes[i]);
/* }
}
}
}*/
}
/*else if(strcmp(tok, "rm") == 0){
//rm
//printf("Comando rm\n");
tok = strtok (NULL, " ");
if (tok == NULL)
printf ("Wrong parameter for rm");
else {
for (int i = 0; i < MAX_INODES; i++) {
// if (fs->inodes[i] != NULL) {
char* tok2 = strtok (tok, ".");
char* name = tok2;
tok2 = strtok (NULL, ".");
if (tok2 == NULL) {
if (strcmp (fs->inodes[i]->name, name) == 0){
rm (fs, fs->inodes[i]);
}
}
else {
if (strcmp (fs->inodes[i]->name, name) == 0){
rm (fs, fs->inodes[i]);
}
}
}
}
}
}
else if(strcmp(tok, "echo") == 0){
//echo
//printf("Comando echo\n");
}
else if(strcmp(tok, "cat") == 0){
//cat
//printf("Comando cat\n");
tok = strtok (NULL, " ");
if (tok == NULL)
printf ("Wrong parameter for cat");
else {
char* tok2 = strtok (NULL, ".");
Inode inode = searchInodeOnDirByName (fs, fs->inodes[fs->current_dir], tok2);
if (inode != NULL)
cat (fs, inode);
}
} */
else if(strcmp(tok, "exit") == 0){
//exit
//printf("Comando exit\n");
return;
}
else {
warning ("Comando invalido!");
}
for(i=0;i<256;i++)
input[i] = '\0';
}
}
