mirror of https://github.com/vitalif/e2fsprogs
510 lines
11 KiB
C
510 lines
11 KiB
C
/*
|
|
* message.c --- print e2fsck messages (with compression)
|
|
*
|
|
* Copyright 1996, 1997 by Theodore Ts'o
|
|
*
|
|
* %Begin-Header%
|
|
* This file may be redistributed under the terms of the GNU Public
|
|
* License.
|
|
* %End-Header%
|
|
*
|
|
* print_e2fsck_message() prints a message to the user, using
|
|
* compression techniques and expansions of abbreviations.
|
|
*
|
|
* The following % expansions are supported:
|
|
*
|
|
* %b <blk> block number
|
|
* %B <blkcount> integer
|
|
* %c <blk2> block number
|
|
* %Di <dirent>->ino inode number
|
|
* %Dn <dirent>->name string
|
|
* %Dr <dirent>->rec_len
|
|
* %Dl <dirent>->name_len
|
|
* %Dt <dirent>->filetype
|
|
* %d <dir> inode number
|
|
* %g <group> integer
|
|
* %i <ino> inode number
|
|
* %Is <inode> -> i_size
|
|
* %IS <inode> -> i_extra_isize
|
|
* %Ib <inode> -> i_blocks
|
|
* %Il <inode> -> i_links_count
|
|
* %Im <inode> -> i_mode
|
|
* %IM <inode> -> i_mtime
|
|
* %IF <inode> -> i_faddr
|
|
* %If <inode> -> i_file_acl
|
|
* %Id <inode> -> i_dir_acl
|
|
* %Iu <inode> -> i_uid
|
|
* %Ig <inode> -> i_gid
|
|
* %It <inode type>
|
|
* %j <ino2> inode number
|
|
* %m <com_err error message>
|
|
* %N <num>
|
|
* %p ext2fs_get_pathname of directory <ino>
|
|
* %P ext2fs_get_pathname of <dirent>->ino with <ino2> as
|
|
* the containing directory. (If dirent is NULL
|
|
* then return the pathname of directory <ino2>)
|
|
* %q ext2fs_get_pathname of directory <dir>
|
|
* %Q ext2fs_get_pathname of directory <ino> with <dir> as
|
|
* the containing directory.
|
|
* %s <str> miscellaneous string
|
|
* %S backup superblock
|
|
* %X <num> hexadecimal format
|
|
*
|
|
* The following '@' expansions are supported:
|
|
*
|
|
* @a extended attribute
|
|
* @A error allocating
|
|
* @b block
|
|
* @B bitmap
|
|
* @c compress
|
|
* @C conflicts with some other fs block
|
|
* @D deleted
|
|
* @d directory
|
|
* @e entry
|
|
* @E Entry '%Dn' in %p (%i)
|
|
* @f filesystem
|
|
* @F for @i %i (%Q) is
|
|
* @g group
|
|
* @h HTREE directory inode
|
|
* @i inode
|
|
* @I illegal
|
|
* @j journal
|
|
* @l lost+found
|
|
* @L is a link
|
|
* @m multiply-claimed
|
|
* @n invalid
|
|
* @o orphaned
|
|
* @p problem in
|
|
* @r root inode
|
|
* @s should be
|
|
* @S superblock
|
|
* @u unattached
|
|
* @v device
|
|
* @x extent
|
|
* @z zero-length
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <termios.h>
|
|
|
|
#include "e2fsck.h"
|
|
|
|
#include "problem.h"
|
|
|
|
#ifdef __GNUC__
|
|
#define _INLINE_ __inline__
|
|
#else
|
|
#define _INLINE_
|
|
#endif
|
|
|
|
/*
|
|
* This structure defines the abbreviations used by the text strings
|
|
* below. The first character in the string is the index letter. An
|
|
* abbreviation of the form '@<i>' is expanded by looking up the index
|
|
* letter <i> in the table below.
|
|
*/
|
|
static const char *abbrevs[] = {
|
|
N_("aextended attribute"),
|
|
N_("Aerror allocating"),
|
|
N_("bblock"),
|
|
N_("Bbitmap"),
|
|
N_("ccompress"),
|
|
N_("Cconflicts with some other fs @b"),
|
|
N_("iinode"),
|
|
N_("Iillegal"),
|
|
N_("jjournal"),
|
|
N_("Ddeleted"),
|
|
N_("ddirectory"),
|
|
N_("eentry"),
|
|
N_("E@e '%Dn' in %p (%i)"),
|
|
N_("ffilesystem"),
|
|
N_("Ffor @i %i (%Q) is"),
|
|
N_("ggroup"),
|
|
N_("hHTREE @d @i"),
|
|
N_("llost+found"),
|
|
N_("Lis a link"),
|
|
N_("mmultiply-claimed"),
|
|
N_("ninvalid"),
|
|
N_("oorphaned"),
|
|
N_("pproblem in"),
|
|
N_("rroot @i"),
|
|
N_("sshould be"),
|
|
N_("Ssuper@b"),
|
|
N_("uunattached"),
|
|
N_("vdevice"),
|
|
N_("xextent"),
|
|
N_("zzero-length"),
|
|
"@@",
|
|
0
|
|
};
|
|
|
|
/*
|
|
* Give more user friendly names to the "special" inodes.
|
|
*/
|
|
#define num_special_inodes 11
|
|
static const char *special_inode_name[] =
|
|
{
|
|
N_("<The NULL inode>"), /* 0 */
|
|
N_("<The bad blocks inode>"), /* 1 */
|
|
"/", /* 2 */
|
|
N_("<The ACL index inode>"), /* 3 */
|
|
N_("<The ACL data inode>"), /* 4 */
|
|
N_("<The boot loader inode>"), /* 5 */
|
|
N_("<The undelete directory inode>"), /* 6 */
|
|
N_("<The group descriptor inode>"), /* 7 */
|
|
N_("<The journal inode>"), /* 8 */
|
|
N_("<Reserved inode 9>"), /* 9 */
|
|
N_("<Reserved inode 10>"), /* 10 */
|
|
};
|
|
|
|
/*
|
|
* This function does "safe" printing. It will convert non-printable
|
|
* ASCII characters using '^' and M- notation.
|
|
*/
|
|
static void safe_print(const char *cp, int len)
|
|
{
|
|
unsigned char ch;
|
|
|
|
if (len < 0)
|
|
len = strlen(cp);
|
|
|
|
while (len--) {
|
|
ch = *cp++;
|
|
if (ch > 128) {
|
|
fputs("M-", stdout);
|
|
ch -= 128;
|
|
}
|
|
if ((ch < 32) || (ch == 0x7f)) {
|
|
fputc('^', stdout);
|
|
ch ^= 0x40; /* ^@, ^A, ^B; ^? for DEL */
|
|
}
|
|
fputc(ch, stdout);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* This function prints a pathname, using the ext2fs_get_pathname
|
|
* function
|
|
*/
|
|
static void print_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino)
|
|
{
|
|
errcode_t retval;
|
|
char *path;
|
|
|
|
if (!dir && (ino < num_special_inodes)) {
|
|
fputs(_(special_inode_name[ino]), stdout);
|
|
return;
|
|
}
|
|
|
|
retval = ext2fs_get_pathname(fs, dir, ino, &path);
|
|
if (retval)
|
|
fputs("???", stdout);
|
|
else {
|
|
safe_print(path, -1);
|
|
ext2fs_free_mem(&path);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This function handles the '@' expansion. We allow recursive
|
|
* expansion; an @ expression can contain further '@' and '%'
|
|
* expressions.
|
|
*/
|
|
static _INLINE_ void expand_at_expression(e2fsck_t ctx, char ch,
|
|
struct problem_context *pctx,
|
|
int *first, int recurse)
|
|
{
|
|
const char **cpp, *str;
|
|
|
|
/* Search for the abbreviation */
|
|
for (cpp = abbrevs; *cpp; cpp++) {
|
|
if (ch == *cpp[0])
|
|
break;
|
|
}
|
|
if (*cpp && recurse < 10) {
|
|
str = _(*cpp) + 1;
|
|
if (*first && islower(*str)) {
|
|
*first = 0;
|
|
fputc(toupper(*str++), stdout);
|
|
}
|
|
print_e2fsck_message(ctx, str, pctx, *first, recurse+1);
|
|
} else
|
|
printf("@%c", ch);
|
|
}
|
|
|
|
/*
|
|
* This function expands '%IX' expressions
|
|
*/
|
|
static _INLINE_ void expand_inode_expression(char ch,
|
|
struct problem_context *ctx)
|
|
{
|
|
struct ext2_inode *inode;
|
|
struct ext2_inode_large *large_inode;
|
|
const char * time_str;
|
|
time_t t;
|
|
static int do_gmt = -1;
|
|
|
|
if (!ctx || !ctx->inode)
|
|
goto no_inode;
|
|
|
|
inode = ctx->inode;
|
|
large_inode = (struct ext2_inode_large *) inode;
|
|
|
|
switch (ch) {
|
|
case 's':
|
|
if (LINUX_S_ISDIR(inode->i_mode))
|
|
printf("%u", inode->i_size);
|
|
else {
|
|
#ifdef EXT2_NO_64_TYPE
|
|
if (inode->i_size_high)
|
|
printf("0x%x%08x", inode->i_size_high,
|
|
inode->i_size);
|
|
else
|
|
printf("%u", inode->i_size);
|
|
#else
|
|
printf("%llu", inode->i_size |
|
|
((long long)inode->i_size_high << 32));
|
|
#endif
|
|
}
|
|
break;
|
|
case 'S':
|
|
printf("%u", large_inode->i_extra_isize);
|
|
break;
|
|
case 'b':
|
|
if (inode->i_flags & EXT4_HUGE_FILE_FL)
|
|
printf("%llu", inode->i_blocks +
|
|
(((long long) inode->osd2.linux2.l_i_blocks_hi)
|
|
<< 32));
|
|
else
|
|
printf("%u", inode->i_blocks);
|
|
break;
|
|
case 'l':
|
|
printf("%d", inode->i_links_count);
|
|
break;
|
|
case 'm':
|
|
printf("0%o", inode->i_mode);
|
|
break;
|
|
case 'M':
|
|
#ifdef __dietlibc__
|
|
/* The diet libc doesn't respect the TZ environemnt variable */
|
|
if (do_gmt == -1) {
|
|
time_str = getenv("TZ");
|
|
if (!time_str)
|
|
time_str = "";
|
|
do_gmt = !strcmp(time_str, "GMT0");
|
|
}
|
|
#endif
|
|
t = inode->i_mtime;
|
|
time_str = asctime((do_gmt > 0) ? gmtime(&t) : localtime(&t));
|
|
printf("%.24s", time_str);
|
|
break;
|
|
case 'F':
|
|
printf("%u", inode->i_faddr);
|
|
break;
|
|
case 'f':
|
|
printf("%u", inode->i_file_acl);
|
|
break;
|
|
case 'd':
|
|
printf("%u", (LINUX_S_ISDIR(inode->i_mode) ?
|
|
inode->i_dir_acl : 0));
|
|
break;
|
|
case 'u':
|
|
printf("%d", inode_uid(*inode));
|
|
break;
|
|
case 'g':
|
|
printf("%d", inode_gid(*inode));
|
|
break;
|
|
case 't':
|
|
if (LINUX_S_ISREG(inode->i_mode))
|
|
printf(_("regular file"));
|
|
else if (LINUX_S_ISDIR(inode->i_mode))
|
|
printf(_("directory"));
|
|
else if (LINUX_S_ISCHR(inode->i_mode))
|
|
printf(_("character device"));
|
|
else if (LINUX_S_ISBLK(inode->i_mode))
|
|
printf(_("block device"));
|
|
else if (LINUX_S_ISFIFO(inode->i_mode))
|
|
printf(_("named pipe"));
|
|
else if (LINUX_S_ISLNK(inode->i_mode))
|
|
printf(_("symbolic link"));
|
|
else if (LINUX_S_ISSOCK(inode->i_mode))
|
|
printf(_("socket"));
|
|
else
|
|
printf(_("unknown file type with mode 0%o"),
|
|
inode->i_mode);
|
|
break;
|
|
default:
|
|
no_inode:
|
|
printf("%%I%c", ch);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This function expands '%dX' expressions
|
|
*/
|
|
static _INLINE_ void expand_dirent_expression(ext2_filsys fs, char ch,
|
|
struct problem_context *ctx)
|
|
{
|
|
struct ext2_dir_entry *dirent;
|
|
unsigned int rec_len;
|
|
int len;
|
|
|
|
if (!ctx || !ctx->dirent)
|
|
goto no_dirent;
|
|
|
|
dirent = ctx->dirent;
|
|
|
|
switch (ch) {
|
|
case 'i':
|
|
printf("%u", dirent->inode);
|
|
break;
|
|
case 'n':
|
|
len = dirent->name_len & 0xFF;
|
|
if (len > EXT2_NAME_LEN)
|
|
len = EXT2_NAME_LEN;
|
|
if ((ext2fs_get_rec_len(fs, dirent, &rec_len) == 0) &&
|
|
(len > rec_len))
|
|
len = rec_len;
|
|
safe_print(dirent->name, len);
|
|
break;
|
|
case 'r':
|
|
(void) ext2fs_get_rec_len(fs, dirent, &rec_len);
|
|
printf("%u", rec_len);
|
|
break;
|
|
case 'l':
|
|
printf("%u", dirent->name_len & 0xFF);
|
|
break;
|
|
case 't':
|
|
printf("%u", dirent->name_len >> 8);
|
|
break;
|
|
default:
|
|
no_dirent:
|
|
printf("%%D%c", ch);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static _INLINE_ void expand_percent_expression(ext2_filsys fs, char ch,
|
|
struct problem_context *ctx)
|
|
{
|
|
if (!ctx)
|
|
goto no_context;
|
|
|
|
switch (ch) {
|
|
case '%':
|
|
fputc('%', stdout);
|
|
break;
|
|
case 'b':
|
|
#ifdef EXT2_NO_64_TYPE
|
|
printf("%u", (unsigned long) ctx->blk);
|
|
#else
|
|
printf("%llu", (unsigned long long) ctx->blk);
|
|
#endif
|
|
break;
|
|
case 'B':
|
|
#ifdef EXT2_NO_64_TYPE
|
|
printf("%d", ctx->blkcount);
|
|
#else
|
|
printf("%lld", (long long)ctx->blkcount);
|
|
#endif
|
|
break;
|
|
case 'c':
|
|
#ifdef EXT2_NO_64_TYPE
|
|
printf("%u", (unsigned long) ctx->blk2);
|
|
#else
|
|
printf("%llu", (unsigned long long) ctx->blk2);
|
|
#endif
|
|
break;
|
|
case 'd':
|
|
printf("%u", ctx->dir);
|
|
break;
|
|
case 'g':
|
|
printf("%d", ctx->group);
|
|
break;
|
|
case 'i':
|
|
printf("%u", ctx->ino);
|
|
break;
|
|
case 'j':
|
|
printf("%u", ctx->ino2);
|
|
break;
|
|
case 'm':
|
|
printf("%s", error_message(ctx->errcode));
|
|
break;
|
|
case 'N':
|
|
#ifdef EXT2_NO_64_TYPE
|
|
printf("%u", ctx->num);
|
|
#else
|
|
printf("%llu", (long long)ctx->num);
|
|
#endif
|
|
break;
|
|
case 'p':
|
|
print_pathname(fs, ctx->ino, 0);
|
|
break;
|
|
case 'P':
|
|
print_pathname(fs, ctx->ino2,
|
|
ctx->dirent ? ctx->dirent->inode : 0);
|
|
break;
|
|
case 'q':
|
|
print_pathname(fs, ctx->dir, 0);
|
|
break;
|
|
case 'Q':
|
|
print_pathname(fs, ctx->dir, ctx->ino);
|
|
break;
|
|
case 'S':
|
|
printf("%u", get_backup_sb(NULL, fs, NULL, NULL));
|
|
break;
|
|
case 's':
|
|
printf("%s", ctx->str ? ctx->str : "NULL");
|
|
break;
|
|
case 'X':
|
|
#ifdef EXT2_NO_64_TYPE
|
|
printf("0x%x", ctx->num);
|
|
#else
|
|
printf("0x%llx", (long long)ctx->num);
|
|
#endif
|
|
break;
|
|
default:
|
|
no_context:
|
|
printf("%%%c", ch);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void print_e2fsck_message(e2fsck_t ctx, const char *msg,
|
|
struct problem_context *pctx, int first,
|
|
int recurse)
|
|
{
|
|
ext2_filsys fs = ctx->fs;
|
|
const char * cp;
|
|
int i;
|
|
|
|
e2fsck_clear_progbar(ctx);
|
|
for (cp = msg; *cp; cp++) {
|
|
if (cp[0] == '@') {
|
|
cp++;
|
|
expand_at_expression(ctx, *cp, pctx, &first, recurse);
|
|
} else if (cp[0] == '%' && cp[1] == 'I') {
|
|
cp += 2;
|
|
expand_inode_expression(*cp, pctx);
|
|
} else if (cp[0] == '%' && cp[1] == 'D') {
|
|
cp += 2;
|
|
expand_dirent_expression(fs, *cp, pctx);
|
|
} else if ((cp[0] == '%')) {
|
|
cp++;
|
|
expand_percent_expression(fs, *cp, pctx);
|
|
} else {
|
|
for (i=0; cp[i]; i++)
|
|
if ((cp[i] == '@') || cp[i] == '%')
|
|
break;
|
|
printf("%.*s", i, cp);
|
|
cp += i-1;
|
|
}
|
|
first = 0;
|
|
}
|
|
}
|