/* sets a date, mapping given date into standard form if needed */
int
set_date(
char * date)
{
char *cmd = NULL;
clear_dir_list();
cmd = stralloc2("DATE ", date);
if (converse(cmd) == -1)
exit(1);
/* if a host/disk/directory is set, then check if that directory
is still valid at the new date, and if not set directory to
mount_point */
if (disk_path != NULL) {
cmd = newstralloc2(cmd, "OISD ", disk_path);
if (exchange(cmd) == -1)
exit(1);
if (server_happy())
{
suck_dir_list_from_server();
}
else
{
g_printf(_("No index records for cwd on new date\n"));
g_printf(_("Setting cwd to mount point\n"));
disk_path = newstralloc(disk_path, "/"); /* fake it */
clear_dir_list();
}
}
amfree(cmd);
return 0;
}
// sort out invalid values by data copy
struct dir_list_head_t* clean_up_dir_list(struct dir_list_head_t* o_dir ){
struct dir_list_head_t* n_dir;
int i;
char *p;
struct dir_list_t *pointer;
n_dir = new_dir_list(o_dir->path_inode,o_dir->dir_inode," "," ");
if (!n_dir)
return o_dir;
//change the allocatet names
p = n_dir->pathname;
n_dir->pathname = o_dir->pathname;
o_dir->pathname = p;
p = n_dir->dirname;
n_dir->dirname = o_dir->dirname;
o_dir->dirname = p;
//copy all practicable values
pointer = o_dir->next;
for (i = o_dir->count ; i>0 ; i-- , pointer = pointer->next ){
if ( (!pointer->inode_nr) || (pointer->filename[0] == 0) )
continue;
switch (pointer->entry){
case DIRENT_DOT_FILE:
// break;
case DIRENT_DOT_DOT_FILE:
break;
case DIRENT_OTHER_FILE:
// if (d_find_entry(n_dir , pointer->inode_nr , pointer->filename))
// continue;
// break;
case DIRENT_DELETED_FILE:
if (d_find_entry(n_dir , pointer->inode_nr , pointer->filename)||
(pointer->inode_nr < EXT2_GOOD_OLD_FIRST_INO))
continue;
break;
default:
continue;
}
if(! add_list_item (n_dir, pointer->inode_nr , pointer->filename,0))
fprintf(stderr, "ERROR by copy of dirlist");
}
clear_dir_list(o_dir);
return n_dir;
}
void
set_host(
const char *host)
{
char *cmd = NULL;
struct hostent *hp = NULL;
char **hostp;
int found_host = 0;
char *uqhost = unquote_string(host);
if (is_extract_list_nonempty())
{
g_printf(_("Must clear extract list before changing host\n"));
amfree(uqhost);
return;
}
/*
* The idea here is to try as many permutations of the hostname
* as we can imagine. The server will reject anything it doesn't
* recognize.
*/
cmd = stralloc2("HOST ", uqhost);
if (converse(cmd) == -1)
exit(1);
if (server_happy())
found_host = 1;
/*
* Try converting the given host to a fully qualified, canonical
* name.
*/
if (!found_host) {
if ((hp = gethostbyname(uqhost)) != NULL) {
host = hp->h_name;
g_printf(_("Trying host %s ...\n"), host);
cmd = newstralloc2(cmd, "HOST ", host);
if (converse(cmd) == -1)
exit(1);
if(server_happy())
found_host = 1;
}
}
/*
* Since we have them, try any CNAMEs that were traversed from uqhost
* to the canonical name (this assumes gethostbyname was called above)
*/
if (!found_host) {
if (hp) {
for (hostp = hp->h_aliases; (host = *hostp) != NULL; hostp++)
{
g_printf(_("Trying host %s ...\n"), host);
cmd = newstralloc2(cmd, "HOST ", host);
if (converse(cmd) == -1)
exit(1);
if(server_happy())
{
found_host = 1;
break;
}
}
}
}
/* Try looking up the canonical name of the host */
if (!found_host) {
char *canonname;
int result;
result = resolve_hostname(uqhost, 0, NULL, &canonname);
if (result == 0 && canonname) {
host = canonname;
g_printf(_("Trying host %s ...\n"), host);
cmd = newstralloc2(cmd, "HOST ", host);
if (converse(cmd) == -1)
exit(1);
if(server_happy())
found_host = 1;
}
}
if(found_host) {
dump_hostname = newstralloc(dump_hostname, host);
amfree(disk_name);
amfree(mount_point);
amfree(disk_path);
clear_dir_list();
}
amfree(cmd);
amfree(uqhost);
}
void
set_disk(
char * dsk,
char * mtpt)
{
char *cmd = NULL;
char *qdsk;
char *uqdsk;
char *uqmtpt = NULL;
if (is_extract_list_nonempty())
{
g_printf(_("Must clear extract list before changing disk\n"));
return;
}
/* if mount point specified, check it is valid */
if (mtpt != NULL) {
uqmtpt = unquote_string(mtpt);
if (*mtpt != '/') {
g_printf(_("Mount point \"%s\" invalid - must start with /\n"), uqmtpt);
amfree(uqmtpt);
return;
}
}
clear_dir_list();
uqdsk = unquote_string(dsk);
qdsk = quote_string(uqdsk);
cmd = stralloc2("DISK ", qdsk);
amfree(qdsk);
if (converse(cmd) == -1)
exit(1);
amfree(cmd);
if (!server_happy()) {
amfree(uqmtpt);
amfree(uqdsk);
return;
}
disk_name = newstralloc(disk_name, uqdsk);
if (mtpt == NULL)
{
/* mount point not specified */
if (*uqdsk == '/')
{
/* disk specified by mount point, hence use it */
mount_point = newstralloc(mount_point, uqdsk);
}
else
{
/* device name given, use '/' because nothing better */
mount_point = newstralloc(mount_point, "/");
}
}
else
{
/* mount point specified */
mount_point = newstralloc(mount_point, uqmtpt);
}
/* set the working directory to the mount point */
/* there is the possibility that there are no index records for the
disk for the given date, hence setting the directory to the
mount point will fail. Preempt this by checking first so we can write
a more informative message. */
if (exchange("OISD /") == -1)
exit(1);
if (server_happy())
{
disk_path = newstralloc(disk_path, "/");
suck_dir_list_from_server(); /* get list of directory contents */
}
else
{
g_printf(_("No index records for disk for specified date\n"));
g_printf(_("If date correct, notify system administrator\n"));
disk_path = newstralloc(disk_path, "/"); /* fake it */
clear_dir_list();
}
amfree(uqmtpt);
amfree(uqdsk);
if (am_has_feature(indexsrv_features, fe_amindexd_DLE)) {
char *dle_str;
char *errmsg = NULL;
cmd = stralloc("DLE");
if (exchange(cmd) == -1)
exit(1);
amfree(cmd);
if (!server_happy())
return;
dle_str = reply_line();
if (BSTRNCMP(dle_str+4, "NODLE") == 0) {
dump_dle = NULL;
} else {
dle_str = unquote_string(dle_str+4);
dump_dle = amxml_parse_node_CHAR(dle_str, &errmsg);
amfree(dle_str);
}
}
}
void
set_host(
const char * host)
{
char *cmd = NULL;
struct hostent *hp;
char **hostp;
int found_host = 0;
char *uqhost;
if (is_extract_list_nonempty())
{
g_printf(_("Must clear extract list before changing host\n"));
return;
}
uqhost = unquote_string(host);
cmd = g_strconcat("HOST ", uqhost, NULL);
if (converse(cmd) == -1)
exit(1);
if (server_happy())
{
found_host = 1;
}
else
{
/*
* Try converting the given host to a fully qualified name
* and then try each of the aliases.
*/
if ((hp = gethostbyname(uqhost)) != NULL) {
host = hp->h_name;
g_printf(_("Trying host %s ...\n"), host);
g_free(cmd);
cmd = g_strconcat("HOST ", host, NULL);
if (converse(cmd) == -1)
exit(1);
if(server_happy())
{
found_host = 1;
}
else
{
for (hostp = hp->h_aliases; (host = *hostp) != NULL; hostp++)
{
g_printf(_("Trying host %s ...\n"), host);
g_free(cmd);
cmd = g_strconcat("HOST ", host, NULL);
if (converse(cmd) == -1)
exit(1);
if(server_happy())
{
found_host = 1;
break;
}
}
}
}
}
if(found_host)
{
g_free(dump_hostname);
dump_hostname = g_strdup(host);
amfree(disk_name);
amfree(mount_point);
amfree(disk_path);
clear_dir_list();
}
amfree(cmd);
amfree(uqhost);
}
void
set_disk(
char * dsk,
char * mtpt)
{
char *cmd = NULL;
char *uqdsk;
char *uqmtpt = NULL;
if (is_extract_list_nonempty())
{
g_printf(_("Must clear extract list before changing disk\n"));
return;
}
/* if mount point specified, check it is valid */
if (mtpt != NULL) {
uqmtpt = unquote_string(mtpt);
if (*mtpt != '/') {
g_printf(_("Mount point \"%s\" invalid - must start with /\n"), uqmtpt);
amfree(uqmtpt);
return;
}
}
clear_dir_list();
uqdsk = unquote_string(dsk);
cmd = g_strconcat("DISK ", uqdsk, NULL);
if (converse(cmd) == -1)
exit(1);
amfree(cmd);
if (!server_happy()) {
amfree(uqdsk);
amfree(uqmtpt);
return;
}
g_free(disk_name);
disk_name = g_strdup(uqdsk);
if (mtpt == NULL)
{
/* mount point not specified */
if (*uqdsk == '/')
{
/* disk specified by mount point, hence use it */
g_free(mount_point);
mount_point = g_strdup(uqdsk);
}
else
{
/* device name given, use '/' because nothing better */
g_free(mount_point);
mount_point = g_strdup("/");
}
}
else
{
/* mount point specified */
g_free(mount_point);
mount_point = g_strdup(uqmtpt);
}
/* set the working directory to the mount point */
/* there is the possibility that there are no index records for the
disk for the given date, hence setting the directory to the
mount point will fail. Preempt this by checking first so we can write
a more informative message. */
if (exchange("OISD /") == -1)
exit(1);
if (server_happy())
{
g_free(disk_path);
disk_path = g_strdup("/");
suck_dir_list_from_server(); /* get list of directory contents */
}
else
{
g_printf(_("No index records for disk for specified date\n"));
g_printf(_("If date correct, notify system administrator\n"));
g_free(disk_path);
disk_path = g_strdup("/"); /* fake it */
clear_dir_list();
}
amfree(uqmtpt);
amfree(uqdsk);
}
// search inode by use imap (step1: flag 1 = only directory ; step2: flag 0 = only file)
static void search_imap_inode(char* des_dir, __u32 t_after, __u32 t_before, int flag)
{
struct ext2_group_desc *gdp;
struct ext2_inode_large *inode;
//struct dir_list_head_t *dir = NULL;
struct ring_buf* i_list = NULL;
r_item* item = NULL;
int zero_flag, retval, load, x ,i ;
char *pathname = NULL;
char *i_pathname = NULL;
char *buf= NULL;
unsigned char *tmp_buf = NULL;
__u32 blocksize, inodesize, inode_max, inode_per_group, block_count;
__u32 inode_per_block , inode_block_group, group;
blk_t block_nr;
__u32 c_time, d_time, mode;
ext2_ino_t first_block_inode_nr , inode_nr;
pathname = malloc(26);
blocksize = current_fs->blocksize;
inodesize = current_fs->super->s_inode_size;
inode_max = current_fs->super->s_inodes_count;
inode_per_group = current_fs->super->s_inodes_per_group;
buf = malloc(blocksize);
if (! (flag & 0x01) ){
tmp_buf = malloc (12 * blocksize);
if (!tmp_buf)
goto errout;
cookie = magic_open(MAGIC_MIME | MAGIC_NO_CHECK_COMPRESS | MAGIC_NO_CHECK_ELF | MAGIC_CONTINUE);
if ((! cookie) || magic_load(cookie, NULL)){
fprintf(stderr,"ERROR: can't find libmagic\n");
goto errout;
}
}
inode_per_block = blocksize / inodesize;
inode_block_group = inode_per_group / inode_per_block;
for (group = 0 ; group < current_fs->group_desc_count ; group++){
#ifdef EXT2_FLAG_64BITS
gdp = ext2fs_group_desc(current_fs, current_fs->group_desc, group);
#else
gdp = ¤t_fs->group_desc[group];
#endif
zero_flag = 0;
if (!(flag & 0x02)){ //skip this in disaster mode
// NEXT GROUP IF INODE NOT INIT
if (gdp->bg_flags & (EXT2_BG_INODE_UNINIT)) continue;
// SET ZERO-FLAG IF FREE INODES == INODE/GROUP for fast ext3
if (gdp->bg_free_inodes_count == inode_per_group) zero_flag = 1;
}
//FIXME for struct ext4_group_desc 48/64BIT
for (block_nr = gdp->bg_inode_table , block_count = 0 ;
block_nr < (gdp->bg_inode_table + inode_block_group); block_nr++, block_count++) {
if (!(flag & 0x02)){ //skip this in disaster mode
// break if the first block only zero inode
if ((block_count ==1) && (zero_flag == (inode_per_block + 1))) break;
}
//FIXME inode_max ????
first_block_inode_nr = (group * inode_per_group) + (block_count * inode_per_block) + 1;
load = 0;
for (i = 0; i<inode_per_block;i++){
if ( ! ext2fs_test_block_bitmap(imap,first_block_inode_nr + i)){
load++;
break;
}
}
if (load){
retval = read_block ( current_fs , &block_nr , buf);
if (retval) return;
for (inode_nr = first_block_inode_nr ,x = 0; x < inode_per_block ; inode_nr++ , x++){
if ( ! ext2fs_test_block_bitmap(imap,inode_nr)){
inode = (struct ext2_inode_large*) (buf + (x*inodesize));
c_time = ext2fs_le32_to_cpu(inode->i_ctime);
mode = ext2fs_le32_to_cpu(inode->i_mode);
if ( ! ( flag & 0x02)) {
//no check this inode in disaster mode
if ((! c_time ) && (!(inode->i_mode & LINUX_S_IFMT)) ) {
if(zero_flag) zero_flag++ ;
continue;
}
d_time = ext2fs_le32_to_cpu(inode->i_dtime);
if ( (! d_time) || d_time <= t_after){
ext2fs_mark_generic_bitmap(imap,inode_nr);
continue;
}
}
// 1. magical step
if (LINUX_S_ISDIR(mode) && ( flag & 0x01) && (pathname)){
sprintf(pathname,"<%lu>",(long unsigned int)inode_nr);
struct dir_list_head_t * dir = NULL;
if (flag & 0x02){
//disaster mode
//only search for undeleted entry
dir = get_dir3(NULL,0, inode_nr , "MAGIC-1",pathname, t_after,t_before, 0);
if (dir) {
lookup_local(des_dir, dir,t_after,t_before, RECOV_ALL | LOST_DIR_SEARCH );
clear_dir_list(dir);
}
}
else{ //search for all
dir = get_dir3(NULL,0, inode_nr , "MAGIC-1",pathname, t_after,t_before, DELETED_OPT);
if (dir) {
lookup_local(des_dir,dir,t_after,t_before,DELETED_OPT|RECOV_ALL|LOST_DIR_SEARCH);
clear_dir_list(dir);
}
}
}
// 2. magical step
if (! (flag & 0x01) ){
i_list = get_j_inode_list(current_fs->super, inode_nr);
item = get_undel_inode(i_list,t_after,t_before);
ext2fs_mark_generic_bitmap(imap,inode_nr);
if (item) {
if (! LINUX_S_ISDIR(item->inode->i_mode) ) {
i_pathname = identify_filename(i_pathname, tmp_buf,
(struct ext2_inode*)item->inode, inode_nr);
sprintf(pathname,"<%lu>",(long unsigned int)inode_nr);
recover_file(des_dir,"MAGIC-2", ((i_pathname)?i_pathname : pathname),
(struct ext2_inode*)item->inode, inode_nr, 0);
if(i_pathname){
free(i_pathname);
i_pathname = NULL;
}
}
}
if (i_list) ring_del(i_list);
}
}
}
}
}
}
errout:
if (pathname)
free(pathname);
if(buf) {
free(buf);
buf = NULL;
}
if (tmp_buf){
free(tmp_buf);
tmp_buf = NULL;
}
if (cookie){
magic_close(cookie);
cookie = 0;
}
return;
}