e2fsprogs/tests/progs/test_rel.c

765 lines
14 KiB
C

/*
* test_rel.c
*
* Copyright (C) 1997 Theodore Ts'o.
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Public
* License.
* %End-Header%
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <fcntl.h>
#include <et/com_err.h>
#include <ss/ss.h>
#include <ext2fs/ext2_fs.h>
#include <ext2fs/ext2fs.h>
#include <ext2fs/irel.h>
#include <ext2fs/brel.h>
#include "test_rel.h"
extern ss_request_table test_cmds;
ext2_irel irel = NULL;
ext2_brel brel = NULL;
/*
* Helper function which parses an inode number.
*/
static int parse_inode(const char *request, const char *desc,
const char *str, ext2_ino_t *ino)
{
char *tmp;
*ino = strtoul(str, &tmp, 0);
if (*tmp) {
com_err(request, 0, "Bad %s - %s", desc, str);
return 1;
}
return 0;
}
/*
* Helper function which parses a block number.
*/
static int parse_block(const char *request, const char *desc,
const char *str, blk_t *blk)
{
char *tmp;
*blk = strtoul(str, &tmp, 0);
if (*tmp) {
com_err(request, 0, "Bad %s - %s", desc, str);
return 1;
}
return 0;
}
/*
* Helper function which assures that a brel table is open
*/
static int check_brel(char *request)
{
if (brel)
return 0;
com_err(request, 0, "A block relocation table must be open.");
return 1;
}
/*
* Helper function which assures that an irel table is open
*/
static int check_irel(char *request)
{
if (irel)
return 0;
com_err(request, 0, "An inode relocation table must be open.");
return 1;
}
/*
* Helper function which displays a brel entry
*/
static void display_brel_entry(blk_t old,
struct ext2_block_relocate_entry *ent)
{
printf("Old= %u, New= %u, Owner= %u:%u\n", old, ent->new,
ent->owner.block_ref, ent->offset);
}
/*
* Helper function which displays an irel entry
*/
static void display_irel_entry(ext2_ino_t old,
struct ext2_inode_relocate_entry *ent,
int do_refs)
{
struct ext2_inode_reference ref;
errcode_t retval;
int first = 1;
printf("Old= %lu, New= %lu, Original=%lu, Max_refs=%u\n", old,
ent->new, ent->orig, ent->max_refs);
if (!do_refs)
return;
retval = ext2fs_irel_start_iter_ref(irel, old);
if (retval) {
printf("\tCouldn't get references: %s\n",
error_message(retval));
return;
}
while (1) {
retval = ext2fs_irel_next_ref(irel, &ref);
if (retval) {
printf("(%s) ", error_message(retval));
break;
}
if (ref.block == 0)
break;
if (first) {
fputc('\t', stdout);
first = 0;
} else
printf(", ");
printf("%u:%u", ref.block, ref.offset);
}
if (!first)
fputc('\n', stdout);
}
/*
* These are the actual command table procedures
*/
void do_brel_ma_create(int argc, char **argv)
{
const char *usage = "Usage: %s name max_blocks\n";
errcode_t retval;
blk_t max_blk;
if (argc < 3) {
printf(usage, argv[0]);
return;
}
if (parse_block(argv[0], "max_blocks", argv[2], &max_blk))
return;
retval = ext2fs_brel_memarray_create(argv[1], max_blk, &brel);
if (retval) {
com_err(argv[0], retval, "while opening memarray brel");
return;
}
return;
}
void do_brel_free(int argc, char **argv)
{
if (check_brel(argv[0]))
return;
ext2fs_brel_free(brel);
brel = NULL;
return;
}
void do_brel_put(int argc, char **argv)
{
const char *usage = "usage: %s old_block new_block [owner] [offset]";
errcode_t retval;
struct ext2_block_relocate_entry ent;
blk_t old, new, offset=0, owner=0;
if (check_brel(argv[0]))
return;
if (argc < 3) {
printf(usage, argv[0]);
return;
}
if (parse_block(argv[0], "old block", argv[1], &old))
return;
if (parse_block(argv[0], "new block", argv[2], &new))
return;
if (argc > 3 &&
parse_block(argv[0], "owner block", argv[3], &owner))
return;
if (argc > 4 &&
parse_block(argv[0], "offset", argv[4], &offset))
return;
if (offset > 65535) {
printf("Offset too large.\n");
return;
}
ent.new = new;
ent.offset = (__u16) offset;
ent.flags = 0;
ent.owner.block_ref = owner;
retval = ext2fs_brel_put(brel, old, &ent);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_brel_put");
return;
}
return;
}
void do_brel_get(int argc, char **argv)
{
const char *usage = "%s block";
errcode_t retval;
struct ext2_block_relocate_entry ent;
blk_t blk;
if (check_brel(argv[0]))
return;
if (argc < 2) {
printf(usage, argv[0]);
return;
}
if (parse_block(argv[0], "block", argv[1], &blk))
return;
retval = ext2fs_brel_get(brel, blk, &ent);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_brel_get");
return;
}
display_brel_entry(blk, &ent);
return;
}
void do_brel_start_iter(int argc, char **argv)
{
errcode_t retval;
if (check_brel(argv[0]))
return;
retval = ext2fs_brel_start_iter(brel);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_brel_start_iter");
return;
}
return;
}
void do_brel_next(int argc, char **argv)
{
errcode_t retval;
struct ext2_block_relocate_entry ent;
blk_t blk;
if (check_brel(argv[0]))
return;
retval = ext2fs_brel_next(brel, &blk, &ent);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_brel_next");
return;
}
if (blk == 0) {
printf("No more entries!\n");
return;
}
display_brel_entry(blk, &ent);
return;
}
void do_brel_dump(int argc, char **argv)
{
errcode_t retval;
struct ext2_block_relocate_entry ent;
blk_t blk;
if (check_brel(argv[0]))
return;
retval = ext2fs_brel_start_iter(brel);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_brel_start_iter");
return;
}
while (1) {
retval = ext2fs_brel_next(brel, &blk, &ent);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_brel_next");
return;
}
if (blk == 0)
break;
display_brel_entry(blk, &ent);
}
return;
}
void do_brel_move(int argc, char **argv)
{
const char *usage = "%s old_block new_block";
errcode_t retval;
blk_t old, new;
if (check_brel(argv[0]))
return;
if (argc < 2) {
printf(usage, argv[0]);
return;
}
if (parse_block(argv[0], "old block", argv[1], &old))
return;
if (parse_block(argv[0], "new block", argv[2], &new))
return;
retval = ext2fs_brel_move(brel, old, new);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_brel_move");
return;
}
return;
}
void do_brel_delete(int argc, char **argv)
{
const char *usage = "%s block";
errcode_t retval;
blk_t blk;
if (check_brel(argv[0]))
return;
if (argc < 2) {
printf(usage, argv[0]);
return;
}
if (parse_block(argv[0], "block", argv[1], &blk))
return;
retval = ext2fs_brel_delete(brel, blk);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_brel_delete");
return;
}
}
void do_irel_ma_create(int argc, char **argv)
{
const char *usage = "Usage: %s name max_inode\n";
errcode_t retval;
ext2_ino_t max_ino;
if (argc < 3) {
printf(usage, argv[0]);
return;
}
if (parse_inode(argv[0], "max_inodes", argv[2], &max_ino))
return;
retval = ext2fs_irel_memarray_create(argv[1], max_ino, &irel);
if (retval) {
com_err(argv[0], retval, "while opening memarray irel");
return;
}
return;
}
void do_irel_free(int argc, char **argv)
{
if (check_irel(argv[0]))
return;
ext2fs_irel_free(irel);
irel = NULL;
return;
}
void do_irel_put(int argc, char **argv)
{
const char *usage = "%s old new max_refs";
errcode_t retval;
ext2_ino_t old, new, max_refs;
struct ext2_inode_relocate_entry ent;
if (check_irel(argv[0]))
return;
if (argc < 4) {
printf(usage, argv[0]);
return;
}
if (parse_inode(argv[0], "old inode", argv[1], &old))
return;
if (parse_inode(argv[0], "new inode", argv[2], &new))
return;
if (parse_inode(argv[0], "max_refs", argv[3], &max_refs))
return;
if (max_refs > 65535) {
printf("max_refs too big\n");
return;
}
ent.new = new;
ent.max_refs = (__u16) max_refs;
ent.flags = 0;
retval = ext2fs_irel_put(irel, old, &ent);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_put");
return;
}
return;
}
void do_irel_get(int argc, char **argv)
{
const char *usage = "%s inode";
errcode_t retval;
ext2_ino_t old;
struct ext2_inode_relocate_entry ent;
if (check_irel(argv[0]))
return;
if (argc < 2) {
printf(usage, argv[0]);
return;
}
if (parse_inode(argv[0], "inode", argv[1], &old))
return;
retval = ext2fs_irel_get(irel, old, &ent);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_get");
return;
}
display_irel_entry(old, &ent, 1);
return;
}
void do_irel_get_by_orig(int argc, char **argv)
{
const char *usage = "%s orig_inode";
errcode_t retval;
ext2_ino_t orig, old;
struct ext2_inode_relocate_entry ent;
if (check_irel(argv[0]))
return;
if (argc < 2) {
printf(usage, argv[0]);
return;
}
if (parse_inode(argv[0], "original inode", argv[1], &orig))
return;
retval = ext2fs_irel_get_by_orig(irel, orig, &old, &ent);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_get_by_orig");
return;
}
display_irel_entry(old, &ent, 1);
return;
}
void do_irel_start_iter(int argc, char **argv)
{
errcode_t retval;
if (check_irel(argv[0]))
return;
retval = ext2fs_irel_start_iter(irel);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_start_iter");
return;
}
return;
}
void do_irel_next(int argc, char **argv)
{
errcode_t retval;
ext2_ino_t old;
struct ext2_inode_relocate_entry ent;
if (check_irel(argv[0]))
return;
retval = ext2fs_irel_next(irel, &old, &ent);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_next");
return;
}
if (old == 0) {
printf("No more entries!\n");
return;
}
display_irel_entry(old, &ent, 1);
return;
}
void do_irel_dump(int argc, char **argv)
{
errcode_t retval;
ext2_ino_t ino;
struct ext2_inode_relocate_entry ent;
if (check_irel(argv[0]))
return;
retval = ext2fs_irel_start_iter(irel);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_start_iter");
return;
}
while (1) {
retval = ext2fs_irel_next(irel, &ino, &ent);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_next");
return;
}
if (ino == 0)
break;
display_irel_entry(ino, &ent, 1);
}
return;
}
void do_irel_add_ref(int argc, char **argv)
{
const char *usage = "%s inode block offset";
errcode_t retval;
blk_t block, offset;
ext2_ino_t ino;
struct ext2_inode_reference ref;
if (check_irel(argv[0]))
return;
if (argc < 4) {
printf(usage, argv[0]);
return;
}
if (parse_inode(argv[0], "inode", argv[1], &ino))
return;
if (parse_block(argv[0], "block", argv[2], &block))
return;
if (parse_block(argv[0], "offset", argv[3], &offset))
return;
if (offset > 65535) {
printf("Offset too big.\n");
return;
}
ref.block = block;
ref.offset = offset;
retval = ext2fs_irel_add_ref(irel, ino, &ref);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_add_ref");
return;
}
return;
}
void do_irel_start_iter_ref(int argc, char **argv)
{
const char *usage = "%s inode";
errcode_t retval;
ext2_ino_t ino;
if (check_irel(argv[0]))
return;
if (argc < 2) {
printf(usage, argv[0]);
return;
}
if (parse_inode(argv[0], "inode", argv[1], &ino))
return;
retval = ext2fs_irel_start_iter_ref(irel, ino);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_start_iter_ref");
return;
}
return;
}
void do_irel_next_ref(int argc, char **argv)
{
struct ext2_inode_reference ref;
errcode_t retval;
if (check_irel(argv[0]))
return;
retval = ext2fs_irel_next_ref(irel, &ref);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_next_ref");
return;
}
printf("Inode reference: %u:%u\n", ref.block, ref.offset);
return;
}
void do_irel_move(int argc, char **argv)
{
const char *usage = "%s old new";
errcode_t retval;
ext2_ino_t old, new;
if (check_irel(argv[0]))
return;
if (argc < 3) {
printf(usage, argv[0]);
return;
}
if (parse_inode(argv[0], "old inode", argv[1], &old))
return;
if (parse_inode(argv[0], "new inode", argv[2], &new))
return;
retval = ext2fs_irel_move(irel, old, new);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_move");
return;
}
return;
}
void do_irel_delete(int argc, char **argv)
{
const char *usage = "%s inode";
errcode_t retval;
ext2_ino_t ino;
if (check_irel(argv[0]))
return;
if (argc < 2) {
printf(usage, argv[0]);
return;
}
if (parse_inode(argv[0], "inode", argv[1], &ino))
return;
retval = ext2fs_irel_delete(irel, ino);
if (retval) {
com_err(argv[0], retval, "while calling ext2fs_irel_delete");
return;
}
return;
}
static int source_file(const char *cmd_file, int sci_idx)
{
FILE *f;
char buf[256];
char *cp;
int exit_status = 0;
int retval;
int noecho;
if (strcmp(cmd_file, "-") == 0)
f = stdin;
else {
f = fopen(cmd_file, "r");
if (!f) {
perror(cmd_file);
exit(1);
}
}
fflush(stdout);
fflush(stderr);
setbuf(stdout, NULL);
setbuf(stderr, NULL);
while (!feof(f)) {
if (fgets(buf, sizeof(buf), f) == NULL)
break;
if (buf[0] == '#')
continue;
noecho = 0;
if (buf[0] == '-') {
noecho = 1;
buf[0] = ' ';
}
cp = strchr(buf, '\n');
if (cp)
*cp = 0;
cp = strchr(buf, '\r');
if (cp)
*cp = 0;
if (!noecho)
printf("test_rel: %s\n", buf);
retval = ss_execute_line(sci_idx, buf);
if (retval) {
ss_perror(sci_idx, retval, buf);
exit_status++;
}
}
return exit_status;
}
void main(int argc, char **argv)
{
int retval;
int sci_idx;
const char *usage = "Usage: test_rel [-R request] [-f cmd_file]";
int c;
char *request = 0;
int exit_status = 0;
char *cmd_file = 0;
initialize_ext2_error_table();
while ((c = getopt (argc, argv, "wR:f:")) != EOF) {
switch (c) {
case 'R':
request = optarg;
break;
case 'f':
cmd_file = optarg;
break;
default:
com_err(argv[0], 0, usage);
return;
}
}
sci_idx = ss_create_invocation("test_rel", "0.0", (char *) NULL,
&test_cmds, &retval);
if (retval) {
ss_perror(sci_idx, retval, "creating invocation");
exit(1);
}
(void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
if (retval) {
ss_perror(sci_idx, retval, "adding standard requests");
exit (1);
}
if (request) {
retval = 0;
retval = ss_execute_line(sci_idx, request);
if (retval) {
ss_perror(sci_idx, retval, request);
exit_status++;
}
} else if (cmd_file) {
exit_status = source_file(cmd_file, sci_idx);
} else {
ss_listen(sci_idx);
}
exit(exit_status);
}