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Check contents of symbolic links.

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This commit is contained in:
Philip Homburg 2006-01-27 12:58:09 +00:00
parent 4a713d8b6d
commit 21c06cfa1f
1 changed files with 36 additions and 0 deletions
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36
commands/simple/fsck.c
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@ -198,6 +198,8 @@ _PROTOTYPE(int chkdots, (Ino_t ino, off_t pos, dir_struct *dp, Ino_t exp));
_PROTOTYPE(int chkname, (Ino_t ino, dir_struct *dp));
_PROTOTYPE(int chkentry, (Ino_t ino, off_t pos, dir_struct *dp));
_PROTOTYPE(int chkdirzone, (Ino_t ino, d_inode *ip, off_t pos, zone_nr zno));
_PROTOTYPE(int chksymlinkzone, (Ino_t ino, d_inode *ip, off_t pos,
zone_nr zno));
_PROTOTYPE(void errzone, (char *mess, zone_nr zno, int level, off_t pos));
_PROTOTYPE(int markzone, (zone_nr zno, int level, off_t pos));
_PROTOTYPE(int chkindzone, (Ino_t ino, d_inode *ip, off_t *pos, zone_nr zno, int level));
@ -1111,6 +1113,37 @@ zone_nr zno;
return(1);
}
int chksymlinkzone(ino, ip, pos, zno)
ino_t ino;
d_inode *ip;
off_t pos;
zone_nr zno;
{
long offset;
size_t len;
char target[PATH_MAX+1];
if (ip->i_size > PATH_MAX)
fatal("chksymlinkzone: fsck program inconsistency\n");
offset = zaddr(zno);
devread(offset, target, ip->i_size);
target[ip->i_size]= '\0';
len= strlen(target);
if (len != ip->i_size)
{
printf("bad size in symbolic link (%d instead of %d) ",
ip->i_size, len);
printpath(2, 0);
if (yes(". update")) {
setbit(spec_imap, (bit_nr) ino);
ip->i_size = len;
devwrite(inoaddr(ino), (char *) ip, INODE_SIZE);
}
}
return 1;
}
/* There is something wrong with the given zone. Print some details. */
void errzone(mess, zno, level, pos)
char *mess;
@ -1206,6 +1239,9 @@ int level;
if ((ip->i_mode & I_TYPE) == I_DIRECTORY &&
!chkdirzone(ino, ip, *pos, zno))
return(0);
if ((ip->i_mode & I_TYPE) == I_SYMBOLIC_LINK &&
!chksymlinkzone(ino, ip, *pos, zno))
return(0);
*pos += ZONE_SIZE;
return(1);
} else