static int ext2_file_type(unsigned int mode)
{
if (LINUX_S_ISREG(mode))
return EXT2_FT_REG_FILE;
if (LINUX_S_ISDIR(mode))
return EXT2_FT_DIR;
if (LINUX_S_ISCHR(mode))
return EXT2_FT_CHRDEV;
if (LINUX_S_ISBLK(mode))
return EXT2_FT_BLKDEV;
if (LINUX_S_ISLNK(mode))
return EXT2_FT_SYMLINK;
if (LINUX_S_ISFIFO(mode))
return EXT2_FT_FIFO;
if (LINUX_S_ISSOCK(mode))
return EXT2_FT_SOCK;
return 0;
}
/*
* This function expands '%IX' expressions
*/
static _INLINE_ void expand_inode_expression(FILE *f, ext2_filsys fs, char ch,
struct problem_context *ctx)
{
struct ext2_inode *inode;
struct ext2_inode_large *large_inode;
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))
fprintf(f, "%u", inode->i_size);
else {
#ifdef EXT2_NO_64_TYPE
if (inode->i_size_high)
fprintf(f, "0x%x%08x", inode->i_size_high,
inode->i_size);
else
fprintf(f, "%u", inode->i_size);
#else
fprintf(f, "%llu", EXT2_I_SIZE(inode));
#endif
}
break;
case 'S':
fprintf(f, "%u", large_inode->i_extra_isize);
break;
case 'b':
if (ext2fs_has_feature_huge_file(fs->super))
fprintf(f, "%llu", inode->i_blocks +
(((long long) inode->osd2.linux2.l_i_blocks_hi)
<< 32));
else
fprintf(f, "%u", inode->i_blocks);
break;
case 'l':
fprintf(f, "%d", inode->i_links_count);
break;
case 'm':
fprintf(f, "0%o", inode->i_mode);
break;
case 'M':
print_time(f, inode->i_mtime);
break;
case 'F':
fprintf(f, "%u", inode->i_faddr);
break;
case 'f':
fprintf(f, "%llu", ext2fs_file_acl_block(fs, inode));
break;
case 'd':
fprintf(f, "%u", (LINUX_S_ISDIR(inode->i_mode) ?
inode->i_dir_acl : 0));
break;
case 'u':
fprintf(f, "%d", inode_uid(*inode));
break;
case 'g':
fprintf(f, "%d", inode_gid(*inode));
break;
case 't':
if (LINUX_S_ISREG(inode->i_mode))
fputs(_("regular file"), f);
else if (LINUX_S_ISDIR(inode->i_mode))
fputs(_("directory"), f);
else if (LINUX_S_ISCHR(inode->i_mode))
fputs(_("character device"), f);
else if (LINUX_S_ISBLK(inode->i_mode))
fputs(_("block device"), f);
else if (LINUX_S_ISFIFO(inode->i_mode))
fputs(_("named pipe"), f);
else if (LINUX_S_ISLNK(inode->i_mode))
fputs(_("symbolic link"), f);
else if (LINUX_S_ISSOCK(inode->i_mode))
fputs(_("socket"), f);
else
fprintf(f, _("unknown file type with mode 0%o"),
inode->i_mode);
break;
default:
no_inode:
fprintf(f, "%%I%c", ch);
break;
}
}
extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
ext2_ino_t ino, char *buf)
{
ext2_filsys fs = ctx->fs;
struct ext2_inode inode;
int inode_modified = 0;
int not_fixed = 0;
unsigned char *frag, *fsize;
struct problem_context pctx;
int problem = 0;
e2fsck_read_inode(ctx, ino, &inode, "process_bad_inode");
clear_problem_context(&pctx);
pctx.ino = ino;
pctx.dir = dir;
pctx.inode = &inode;
if (ext2fs_file_acl_block(fs, &inode) &&
!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) {
if (fix_problem(ctx, PR_2_FILE_ACL_ZERO, &pctx)) {
ext2fs_file_acl_block_set(fs, &inode, 0);
inode_modified++;
} else
not_fixed++;
}
if (!LINUX_S_ISDIR(inode.i_mode) && !LINUX_S_ISREG(inode.i_mode) &&
!LINUX_S_ISCHR(inode.i_mode) && !LINUX_S_ISBLK(inode.i_mode) &&
!LINUX_S_ISLNK(inode.i_mode) && !LINUX_S_ISFIFO(inode.i_mode) &&
!(LINUX_S_ISSOCK(inode.i_mode)))
problem = PR_2_BAD_MODE;
else if (LINUX_S_ISCHR(inode.i_mode)
&& !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_CHAR_DEV;
else if (LINUX_S_ISBLK(inode.i_mode)
&& !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_BLOCK_DEV;
else if (LINUX_S_ISFIFO(inode.i_mode)
&& !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_FIFO;
else if (LINUX_S_ISSOCK(inode.i_mode)
&& !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_SOCKET;
else if (LINUX_S_ISLNK(inode.i_mode)
&& !e2fsck_pass1_check_symlink(fs, ino, &inode, buf)) {
problem = PR_2_INVALID_SYMLINK;
}
if (problem) {
if (fix_problem(ctx, problem, &pctx)) {
deallocate_inode(ctx, ino, 0);
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return 0;
return 1;
} else
not_fixed++;
problem = 0;
}
if (inode.i_faddr) {
if (fix_problem(ctx, PR_2_FADDR_ZERO, &pctx)) {
inode.i_faddr = 0;
inode_modified++;
} else
not_fixed++;
}
switch (fs->super->s_creator_os) {
case EXT2_OS_HURD:
frag = &inode.osd2.hurd2.h_i_frag;
fsize = &inode.osd2.hurd2.h_i_fsize;
break;
default:
frag = fsize = 0;
}
if (frag && *frag) {
pctx.num = *frag;
if (fix_problem(ctx, PR_2_FRAG_ZERO, &pctx)) {
*frag = 0;
inode_modified++;
} else
not_fixed++;
pctx.num = 0;
}
if (fsize && *fsize) {
pctx.num = *fsize;
if (fix_problem(ctx, PR_2_FSIZE_ZERO, &pctx)) {
*fsize = 0;
inode_modified++;
} else
not_fixed++;
pctx.num = 0;
}
if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
!(fs->super->s_feature_ro_compat &
EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
(inode.osd2.linux2.l_i_blocks_hi != 0)) {
pctx.num = inode.osd2.linux2.l_i_blocks_hi;
if (fix_problem(ctx, PR_2_BLOCKS_HI_ZERO, &pctx)) {
inode.osd2.linux2.l_i_blocks_hi = 0;
inode_modified++;
}
}
if (!(fs->super->s_feature_incompat &
EXT4_FEATURE_INCOMPAT_64BIT) &&
inode.osd2.linux2.l_i_file_acl_high != 0) {
pctx.num = inode.osd2.linux2.l_i_file_acl_high;
if (fix_problem(ctx, PR_2_I_FILE_ACL_HI_ZERO, &pctx)) {
inode.osd2.linux2.l_i_file_acl_high = 0;
inode_modified++;
} else
not_fixed++;
}
if (ext2fs_file_acl_block(fs, &inode) &&
((ext2fs_file_acl_block(fs, &inode) < fs->super->s_first_data_block) ||
(ext2fs_file_acl_block(fs, &inode) >= ext2fs_blocks_count(fs->super)))) {
if (fix_problem(ctx, PR_2_FILE_ACL_BAD, &pctx)) {
ext2fs_file_acl_block_set(fs, &inode, 0);
inode_modified++;
} else
not_fixed++;
}
if (inode.i_dir_acl &&
LINUX_S_ISDIR(inode.i_mode)) {
if (fix_problem(ctx, PR_2_DIR_ACL_ZERO, &pctx)) {
inode.i_dir_acl = 0;
inode_modified++;
} else
not_fixed++;
}
if (inode_modified)
e2fsck_write_inode(ctx, ino, &inode, "process_bad_inode");
if (!not_fixed && ctx->inode_bad_map)
ext2fs_unmark_inode_bitmap2(ctx->inode_bad_map, ino);
return 0;
}
/*
* 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;
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':
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':
/* 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, "GMT");
}
t = inode->i_mtime;
time_str = asctime(do_gmt ? 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;
}
}
void addFilespec(FILE *fd, int squash_uids, int squash_perms)
{
unsigned long rmode, mode, uid, gid, major, minor, i;
unsigned long start, increment, count, octmode, decmode;
char *c, *dir, *name, *dname = NULL, *path = NULL, *path2 = NULL, *line = NULL;
char type;
size_t len;
int argv, i2, overWrite = 0, lineno = 0;
__u16 inodeType;
while ( getline(&line, &len, fd) >= 0 ) {
rmode = mode = uid = gid = major = minor = start = count = overWrite = 0;
increment = 1;
lineno++;
if (( c = strchr(line, '#'))) *c = 0;
if ( path ) {
free( path ); path = NULL;
}
if ( path2 ) {
free( path2 ); path2 = NULL;
}
argv = sscanf(line, "%" SCANF_PREFIX "s %c %ld %lu %lu %lu %lu %lu %lu %lu",
SCANF_STRING(path), &type, &rmode, &uid, &gid, &major, &minor,
&start, &increment, &count);
if ( argv < 3 ) {
if ( argv > 0 )
log_warning("device table[%d]: bad format for entry '%s' [skip]", lineno, path);
continue;
}
i2 = 0;
octmode = rmode;
decmode = 0;
while ( octmode != 0 ) {
decmode = decmode + (octmode % 10) * pow(8, i2++);
octmode = octmode / 10;
}
if ( squash_uids ) uid = gid = 0;
mode = decmode;
path2 = strdup( path );
name = basename( path );
dir = dirname( path2 );
if (( !strcmp(name, ".")) || ( !strcmp(name, "..")) || ( !strcmp(name, "/"))) {
log_warning("device table[%d]: [skip]", lineno);
continue;
}
log_action(ACT_CHDIR, dir, NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir(dir)) {
log_warning("device table[%d]: target directory '%s' for entry '%s' does not exist [skip]", lineno, dir, name);
log_action(ACT_CHDIR, "/", NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir("/"))
log_error("[Filesystem error] cannot chdir to root");
continue;
}
if (( type != 'd' ) && ( type != 'f' ) && ( type != 'p' ) && ( type != 'c' ) && ( type != 'b' ) && ( type != 's')) {
log_warning("device table[%d]: bad type '%c' for entry '%s' [skip]", lineno, type, name);
continue;
}
if (squash_perms) {
mode &= ~( LINUX_S_IRWXG | LINUX_S_IRWXO );
rmode &= ~( LINUX_S_IRWXG | LINUX_S_IRWXO);
}
if ( count > 0 ) {
if ( dname ) {
free( dname );
dname = NULL;
}
unsigned len;
len = strlen(name) + 10;
dname = malloc(len + 1);
for ( i = start; i < count; i++ ) {
snprintf(dname, len, "%s%lu", name, i);
if (( overWrite = name_to_inode(dname)))
inodeType = inode_mode(dname);
if (( type == 'd' ) && ( overWrite ) && ( !LINUX_S_ISDIR(inodeType)))
log_error("[Remote fs mismatch] %s/%s exists but isn't a directory when it should be.", log_cwd(), dname);
else if (( type != 'd' ) && ( overWrite )) {
if ( LINUX_S_ISDIR(inodeType))
log_error("[Remote fs mismatch] %s/%s exists but is a directory when it shouldn't be.", log_cwd(), dname);
if ((!LINUX_S_ISREG(inodeType)) && (!LINUX_S_ISLNK(inodeType)) &&
(!LINUX_S_ISBLK(inodeType)) && (!LINUX_S_ISCHR(inodeType)) &&
(!LINUX_S_ISFIFO(inodeType)) && (!LINUX_S_ISSOCK(inodeType)))
log_error("[Remote fs mismatch] Existing file %s/%s has unknown/unsupported type [0x%x].", log_cwd(), dname, inodeType);
}
switch ( type ) {
case 'd':
mode |= LINUX_S_IFDIR;
log_action(ACT_MKDIR, dname, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !overWrite )
if ( !do_mkdir(dname))
log_error("[Filesystem error] cannot mkdir %s/%s", log_cwd(), dname);
break;
case 'c':
case 'b':
if ( type == 'c' )
mode |= LINUX_S_IFCHR;
else
mode |= LINUX_S_IFBLK;
if ( overWrite ) {
log_action(ACT_RM, dname, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(dname))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), dname);
}
log_action(ACT_MKNOD, dname, NULL, 0, 0, 0, type, major, minor + ((i * increment) - start), overWrite);
if ( !do_mknod(dname, type, major, minor + ((i * increment) - start)))
log_error("[Filesystem error] cannot mknod %s/%s", log_cwd(), dname);
break;
case 's':
case 'p':
if ( type == 's' )
mode |= LINUX_S_IFSOCK;
else mode |= LINUX_S_IFIFO;
if ( overWrite ) {
log_action(ACT_RM, dname, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(dname))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), dname);
}
log_action(ACT_MKNOD, dname, NULL, 0, 0, 0, type, 0, 0, overWrite);
if ( !do_mknod(dname, type, 0, 0))
log_error("[Filesystem error] cannot mknod %s/%s", log_cwd(), dname);
break;
}
log_action(ACT_CHMOD, dname, NULL, rmode, 0, 0, 0, 0, 0, 0);
if ( !do_chmod(dname, rmode))
log_error("[Filesystem error] cannot chmod %s/%s", log_cwd(), dname);
log_action(ACT_CHOWN, dname, NULL, 0, uid, gid, 0, 0, 0, 0);
if ( !do_chown(dname, uid, gid))
log_error("[Filesystem error] cannot chown %s/%s", log_cwd(), dname);
}
log_action(ACT_CHDIR, "/", NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir("/"))
log_error("[Filesystem error] cannot chdir to root");
free(dname);
dname = NULL;
} else {
if (( overWrite = name_to_inode(name)))
inodeType = inode_mode(name);
if (( type == 'd' ) && ( overWrite ) && ( !LINUX_S_ISDIR(inodeType)))
log_error("[Remote fs mismatch] %s/%s exists but isn't a directory when it should be.", log_cwd(), dname);
else if ( type != 'd' ) {
if (( overWrite ) && ( LINUX_S_ISDIR(inodeType)))
log_error("[Remote fs mismatch] %s/%s exists but is a directory when it shouldn't be.", log_cwd(), dname);
if (( overWrite ) && (!LINUX_S_ISREG(inodeType)) && (!LINUX_S_ISLNK(inodeType)) &&
(!LINUX_S_ISBLK(inodeType)) && (!LINUX_S_ISCHR(inodeType)) &&
(!LINUX_S_ISFIFO(inodeType)) && (!LINUX_S_ISSOCK(inodeType)))
log_error("[Remote fs mismatch] Existing file %s/%s has unknown/unsupported type [0x%x].", log_cwd(), dname, inodeType);
}
switch ( type ) {
case 'd':
mode |= LINUX_S_IFDIR;
log_action(ACT_MKDIR, name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !overWrite )
if ( !do_mkdir(name))
log_error("[Filesystem error] cannot mkdir %s/%s", log_cwd(), name);
break;
case 'c':
case 'b':
if ( type == 'c' )
mode |= LINUX_S_IFCHR;
else
mode |= LINUX_S_IFBLK;
if ( overWrite ) {
log_action(ACT_RM, name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), name);
}
log_action(ACT_MKNOD, name, NULL, 0, 0, 0, type, major, minor, overWrite);
if ( !do_mknod(name, type, major, minor))
log_error("[Filesystem error] cannot mknod %s/%s", log_cwd(), name);
break;
case 's':
case 'p':
if ( type == 's' )
mode |= LINUX_S_IFSOCK;
else mode |= LINUX_S_IFIFO;
if ( overWrite ) {
log_action(ACT_RM, name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), name);
}
log_action(ACT_MKNOD, name, NULL, 0, 0, 0, type, 0, 0, overWrite);
if ( !do_mknod(name, type, 0, 0))
log_error("[Filesystem error] cannot mknod %s/%s", log_cwd(), name);
break;
}
log_action(ACT_CHMOD, name, NULL, rmode, 0, 0, 0, 0, 0, 0);
if ( !do_chmod(name, rmode))
log_error("[Filesystem error] cannot chmod %s/%s", log_cwd(), name);
log_action(ACT_CHOWN, name, NULL, 0, uid, gid, 0, 0, 0, 0);
if ( !do_chown(name, uid, gid))
log_error("[Filesystem error] cannot chown %s/%s", log_cwd(), name);
log_action(ACT_CHDIR, "/", NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir("/"))
log_error("[Filesystem error] cannot chdir to root");
}
}
if ( line ) {
free( line ); line = NULL;
}
if ( path ) {
free( path ); path = NULL;
}
if ( path2 ) {
free( path2 ); path2 = NULL;
}
}
void addPath(const char *path, int squash_uids, int squash_perms)
{
size_t len;
char *full_name = NULL, *lnk = NULL;
struct dirent *file = NULL;
DIR *direc = NULL;
struct stat st;
int overWrite;
__u16 inodeType;
direc = opendir(path);
if ( !direc )
log_error("[Local fs opendir] Cannot open directory %s", path);
while (( file = readdir(direc)) != NULL ) {
if (( !strcmp(file->d_name, "." )) || ( !strcmp(file->d_name, ".." )))
continue;
len = strlen(path) + strlen( file->d_name ) + 3;
if ( full_name ) {
free( full_name );
full_name = NULL;
}
full_name = (char*)malloc(len + 2);
if ( !full_name )
log_error("[Local fs stat] Memory allocation error ( full_name --> %s/%s )", path, file->d_name);
memset(full_name, 0, len + 2);
snprintf(full_name, len, "%s/%s", path, file->d_name);
lstat(full_name, &st);
mode_t fmt = st.st_mode & S_IFMT;
if ( squash_uids )
st.st_uid = st.st_gid = 0;
if ( squash_perms )
st.st_mode &= ~( LINUX_S_IRWXG | LINUX_S_IRWXO );
overWrite = name_to_inode( file->d_name );
if ( st.st_nlink > 1 ) {
if (( lnk = linklist_add(st.st_dev, st.st_ino, full_name + modPath_path_len))) {
if ( overWrite ) {
log_action(ACT_RM, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(file->d_name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), file->d_name);
}
log_action(ACT_HARDLINK, file->d_name, lnk, 0, 0, 0, 0, 0, 0, overWrite);
if (!do_hardlink(&st, lnk, file->d_name))
log_error("[Filesystem error] cannot hardlink %s --> %s", file->d_name, lnk);
continue;
}
}
if ( overWrite )
inodeType = inode_mode( file->d_name );
if (( fmt == S_IFDIR ) && ( overWrite ) && ( !LINUX_S_ISDIR(inodeType)))
log_error("[Remote fs mismatch] %s/%s exists but isn't a directory when it should be.", log_cwd(), file->d_name);
else if (( fmt != S_IFDIR) && ( overWrite )) {
if ( LINUX_S_ISDIR(inodeType))
log_error("[Remote fs mismatch] %s/%s exists but is a directory when it shouldn't be.", log_cwd(), file->d_name);
if ((!LINUX_S_ISREG(inodeType)) && (!LINUX_S_ISLNK(inodeType)) &&
(!LINUX_S_ISBLK(inodeType)) && (!LINUX_S_ISCHR(inodeType)) &&
(!LINUX_S_ISFIFO(inodeType)) && (!LINUX_S_ISSOCK(inodeType)))
log_error("[Remote fs mismatch] Existing file %s/%s has unknown/unsupported type [0x%x].", log_cwd(), file->d_name);
}
switch ( fmt ) {
case S_IFDIR: // Directory
log_action(ACT_MKDIR, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !overWrite )
if ( !do_mkdir( &st, file->d_name ))
log_error("[Filesystem error] cannot mkdir %s/%s", log_cwd(), file->d_name);
log_action(ACT_CHMODE, file->d_name, NULL, st.st_mode, 0, 0, 0, 0, 0, overWrite);
if ( !do_chmode(file->d_name, st.st_mode))
log_error("[Filesystem error] Failed to chmode 0x%x for directory %s/%s", st.st_mode, log_cwd(), file->d_name);
log_action(ACT_CHOWN, file->d_name, NULL, 0, st.st_uid, st.st_gid, 0, 0, 0, 0);
if ( !do_chown(file->d_name, st.st_uid, st.st_gid))
log_error("[Filesystem error] Failed to chown %ld, %ld for directory %s/%s", st.st_uid, st.st_gid, log_cwd(), file->d_name);
log_action(ACT_CHDIR, file->d_name, NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir( file->d_name ))
log_error("[Filesystem error] cannot chdir to newly created %s/%s", log_cwd(), file->d_name);
addPath(full_name, squash_uids, squash_perms);
log_action(ACT_CHDIR, "..", NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir(".."))
log_error("[Filesystem error] cannot chdir to parent directory");
break;
case S_IFREG: // Regular file
if ( overWrite ) {
log_action(ACT_RM, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(file->d_name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), file->d_name);
}
log_action(ACT_WRITE, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_write(full_name, file->d_name))
log_error("[Filesystem error] cannot write %s/%s", log_cwd(), file->d_name);
break;
case S_IFLNK: // Symbolic link
lnk = (char*)malloc(MAX_PATHSIZE + 2);
if ( !lnk )
log_error("[symlink] Memory allocation error (lnk)");
int len = readlink(full_name, lnk, MAX_PATHSIZE);
if ( len == -1 ) {
free(lnk);
log_error("[Local filesystem error] Cannot read destination for link %s/%s", log_cwd(), file->d_name);
} else lnk[len] = '\0';
if ( overWrite ) {
log_action(ACT_RM, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(file->d_name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), file->d_name);
}
log_action(ACT_SYMLINK, file->d_name, lnk, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_symlink(&st, lnk, file->d_name))
log_error("[Filesystem error] cannot symlink %s/%s --> %s", log_cwd(), file->d_name, lnk);
free(lnk);
break;
case S_IFBLK: // Block device node
case S_IFCHR: // Character device node
case S_IFSOCK: // socket
case S_IFIFO: // fifo
if ( overWrite ) {
log_action(ACT_RM, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(file->d_name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), file->d_name);
}
char nodetype = ( fmt == S_IFBLK ? 'b' : ( fmt == S_IFCHR ? 'c' : ( fmt == S_IFSOCK ? 's' : 'p' )));
unsigned long major = 0, minor = 0;
if (( nodetype == 'b' ) || ( nodetype == 'c' )) {
major = (long)major(st.st_rdev);
minor = (long)minor(st.st_rdev);
}
log_action(ACT_MKNOD, file->d_name, NULL, 0, 0, 0, nodetype, major, minor, overWrite);
if ( !do_mknod(file->d_name, nodetype, major, minor))
log_error("[Filesystem error] cannot mknod %c %ld,%ld %s/%s", log_cwd(), nodetype, major, minor, log_cwd(), file->d_name);
break;
}
if ( fmt != S_IFDIR ) { // Not dir ?
log_action(ACT_CHMODE, file->d_name, NULL, st.st_mode, 0, 0, 0, 0, 0, overWrite);
if ( !do_chmode(file->d_name, st.st_mode))
log_error("[Filesystem error] Failed to chmode 0x%x for file %s/%s", st.st_mode, log_cwd(), file->d_name);
log_action(ACT_CHOWN, file->d_name, NULL, 0, st.st_uid, st.st_gid, 0, 0, 0, 0);
if ( !do_chown(file->d_name, st.st_uid, st.st_gid))
log_error("[Filesystem error] Failed to chown %ld, %ld for file %s/%s", st.st_uid, st.st_gid, log_cwd(), file->d_name);
}
if ( full_name ) {
free( full_name );
full_name = NULL;
}
}
closedir(direc);
}
// recover Datafile
int recover_file( char* des_dir,char* pathname, char* filename, struct ext2_inode *inode, ext2_ino_t inode_nr, int flag){
int rec_error = 255;
char err_string[9];
int retval =-1;
int hardlink = 0;
char i = 0;
char *buf=NULL;
struct privat priv;
struct stat filestat;
char *helpname = NULL;
char *recovername = NULL;
char *linkname = NULL;
char *p1;
unsigned long long i_size;
struct utimbuf touchtime;
mode_t i_mode;
int major, minor, type;
#ifdef DEBUG
printf("RECOVER : INODE=%ld FILENAME=%s/%s\n",inode_nr, pathname,filename);
dump_inode(stdout, "",inode_nr, (struct ext2_inode *)inode, 0);
#endif
if (!(inode->i_mode & LINUX_S_IFMT)) //no type flag - no recover
return 1;
p1 = pathname;
while (*p1 == '/') p1++;
helpname = malloc(strlen(des_dir) + 15);
recovername = malloc(strlen(des_dir) + strlen(pathname) + strlen(filename) +10);
if (helpname && recovername){
strcpy(helpname,des_dir);
strcat(helpname,"/");
strcpy(recovername,helpname);
strcat(recovername,p1);
if (strlen(p1))
strcat(recovername,"/");
strcat(recovername,filename);
while (!(stat(recovername, &filestat)) && (i<5)){
strcat(recovername,"#");
i++;
}
p1 = strchr(helpname,0);
sprintf(p1,"#%u#",inode_nr);
unlink (helpname);
priv.flag = flag;
//FIXME: hardlink
if (inode->i_links_count > 1){
p1 = check_link_stack(inode_nr, inode->i_generation);
if (p1) {
//hardlink found
if (! stat(p1, &filestat)){
retval = check_dir(recovername);
if (retval)
fprintf(stderr,"Unknown error at target directory by file: %s\ntrying to continue normal\n", recovername);
else {
if (! link(p1,recovername)){
if (match_link_stack(inode_nr, inode->i_generation))
rec_error -= CREATE_ERROR ;
goto out;
}
else{
rec_error -= CREATE_ERROR ;
}
}
}
}
else{
//flag as hardlink
hardlink = 1;
}
}
switch (inode->i_mode & LINUX_S_IFMT){
//regular File;
case LINUX_S_IFREG :
priv.fd = open(helpname, O_WRONLY | O_CREAT | O_TRUNC | O_LARGEFILE, S_IRWXU);
if (! priv.fd ){
fprintf(stderr,"Error: open File %s for writing\n",helpname);
retval = errno;
goto errout;
}
buf=malloc(current_fs->blocksize);
if (buf) {
priv.buf = buf;
priv.error = 0;
// iterate Data Blocks and if not allocated, write to file
retval = local_block_iterate3 ( current_fs, *inode, BLOCK_FLAG_DATA_ONLY, NULL, write_block, &priv );
#ifdef DEBUG
printf("\n");
#endif
if (retval || priv.error){
// error or blocks allocated , we delete the tempfile and goto out
close(priv.fd);
unlink(helpname);
retval = -1;
goto errout;
}
else{
i_size = (unsigned long long)(inode->i_size | ((unsigned long long)inode->i_size_high << 32));
retval = ftruncate(priv.fd,i_size);
if (retval){
rec_error -= SEEK_ERROR ;
}
}
}
else {
fprintf(stderr,"ERROR: can no allocate memory\n");
retval = -1;
close(priv.fd);
goto errout;
}
close(priv.fd);
break;
//symbolic link
case LINUX_S_IFLNK :
if (ext2fs_inode_data_blocks(current_fs,inode)){
buf = malloc(current_fs->blocksize + 1);
if (buf) {
memset(buf,0,current_fs->blocksize + 1);
priv.buf = buf;
priv.error = 0;
retval = local_block_iterate3 ( current_fs, *inode, BLOCK_FLAG_DATA_ONLY, NULL, read_syslink_block, &priv );
if (retval || priv.error)
goto errout;
}
else {
fprintf(stderr,"ERROR: can no allocate memory\n");
retval = -1;
goto errout;
}
}
else {
int i;
if((! inode->i_size) || (inode->i_size >= 60))
goto errout;
buf = malloc(inode->i_size + 1);
linkname = (char*) &(inode->i_block[0]);
for (i = 0; i < inode->i_size ; i++){
*(buf+i) = (char) *linkname;
linkname++;
}
*(buf+i) = 0;
}
linkname = buf;
retval = symlink(linkname, helpname);
if (retval){
rec_error -= (CREATE_ERROR + SEEK_ERROR);
}
break;
//block or char device
case LINUX_S_IFBLK :
case LINUX_S_IFCHR :
type = (LINUX_S_ISBLK(inode->i_mode)) ? S_IFBLK : S_IFCHR ;
if (inode->i_block[0]) {
major = (inode->i_block[0] >> 8) & 255;
minor = inode->i_block[0] & 255;
} else {
int
fstat(int fd, struct stat *st)
{
int ret;
struct linux_stat lst;
struct ifreq ifr;
ret = syscall(SYS_fstat, fd, &lst);
if (ret == -1) {
errno = EBADF;
return -1;
}
st->st_size = lst.st_size;
switch (lst.st_mode & LINUX_S_IFMT) {
case LINUX_S_IFSOCK:
__platform_socket_fd = fd;
/* currently no support for raw socket networking */
lst.st_mode = 0;
break;
case LINUX_S_IFBLK:
syscall(SYS_ioctl, fd, BLKGETSIZE64, &st->st_size);
break;
case LINUX_S_IFCHR:
/* macvtap has a dynamic major number, so hard to test */
if (lst.st_rdev != makedev(10, 200) && major(lst.st_rdev) < 128)
break;
ret = syscall(SYS_ioctl, fd, TUNGETIFF, &ifr);
if (ret == 0) {
/* we do not yet support macvtap offload facilities */
if (ifr.ifr_flags & IFF_VNET_HDR) {
ifr.ifr_flags &= ~IFF_VNET_HDR;
syscall(SYS_ioctl, fd, TUNSETIFF, &ifr);
}
/* use sock type to tell config we are network */
lst.st_mode = LINUX_S_IFSOCK;
/* find mac address */
ret = syscall(SYS_ioctl, fd, SIOCGIFHWADDR, &ifr);
if (ret == -1 && __platform_socket_fd != -1)
ret = syscall(SYS_ioctl, __platform_socket_fd, SIOCGIFHWADDR, &ifr);
if (ret == 0) {
memcpy(st->st_hwaddr, ifr.ifr_addr.sa_data, 6);
}
__platform_pollfd[__platform_npoll].fd = fd;
__platform_pollfd[__platform_npoll].events = POLLIN | POLLPRI;
__platform_npoll++;
}
break;
}
st->st_mode = (LINUX_S_ISDIR (lst.st_mode) ? S_IFDIR : 0) |
(LINUX_S_ISCHR (lst.st_mode) ? S_IFCHR : 0) |
(LINUX_S_ISBLK (lst.st_mode) ? S_IFBLK : 0) |
(LINUX_S_ISREG (lst.st_mode) ? S_IFREG : 0) |
(LINUX_S_ISFIFO(lst.st_mode) ? S_IFIFO : 0) |
(LINUX_S_ISLNK (lst.st_mode) ? S_IFLNK : 0) |
(LINUX_S_ISSOCK(lst.st_mode) ? S_IFSOCK : 0);
/* if we are passed in /dev/urandom use as a random source */
if (LINUX_S_ISCHR(lst.st_mode) && lst.st_rdev == makedev(1, 9))
__platform_random_fd = fd;
return 0;
}
extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
ext2_ino_t ino)
{
ext2_filsys fs = ctx->fs;
struct ext2_inode inode;
int inode_modified = 0;
unsigned char *frag, *fsize;
struct problem_context pctx;
int problem = 0;
e2fsck_read_inode(ctx, ino, &inode, "process_bad_inode");
clear_problem_context(&pctx);
pctx.ino = ino;
pctx.dir = dir;
pctx.inode = &inode;
if (!LINUX_S_ISDIR(inode.i_mode) && !LINUX_S_ISREG(inode.i_mode) &&
!LINUX_S_ISCHR(inode.i_mode) && !LINUX_S_ISBLK(inode.i_mode) &&
!LINUX_S_ISLNK(inode.i_mode) && !LINUX_S_ISFIFO(inode.i_mode) &&
!(LINUX_S_ISSOCK(inode.i_mode)))
problem = PR_2_BAD_MODE;
else if (LINUX_S_ISCHR(inode.i_mode)
&& !e2fsck_pass1_check_device_inode(&inode))
problem = PR_2_BAD_CHAR_DEV;
else if (LINUX_S_ISBLK(inode.i_mode)
&& !e2fsck_pass1_check_device_inode(&inode))
problem = PR_2_BAD_BLOCK_DEV;
else if (LINUX_S_ISFIFO(inode.i_mode)
&& !e2fsck_pass1_check_device_inode(&inode))
problem = PR_2_BAD_FIFO;
else if (LINUX_S_ISSOCK(inode.i_mode)
&& !e2fsck_pass1_check_device_inode(&inode))
problem = PR_2_BAD_SOCKET;
else if (LINUX_S_ISLNK(inode.i_mode)
&& !e2fsck_pass1_check_symlink(fs, &inode)) {
problem = PR_2_SYMLINK_SIZE;
}
if (problem) {
if (fix_problem(ctx, problem, &pctx)) {
deallocate_inode(ctx, ino, 0);
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return 0;
return 1;
}
problem = 0;
}
if (inode.i_faddr &&
fix_problem(ctx, PR_2_FADDR_ZERO, &pctx)) {
inode.i_faddr = 0;
inode_modified++;
}
switch (fs->super->s_creator_os) {
case EXT2_OS_LINUX:
frag = &inode.osd2.linux2.l_i_frag;
fsize = &inode.osd2.linux2.l_i_fsize;
break;
case EXT2_OS_HURD:
frag = &inode.osd2.hurd2.h_i_frag;
fsize = &inode.osd2.hurd2.h_i_fsize;
break;
case EXT2_OS_MASIX:
frag = &inode.osd2.masix2.m_i_frag;
fsize = &inode.osd2.masix2.m_i_fsize;
break;
default:
frag = fsize = 0;
}
if (frag && *frag) {
pctx.num = *frag;
if (fix_problem(ctx, PR_2_FRAG_ZERO, &pctx)) {
*frag = 0;
inode_modified++;
}
pctx.num = 0;
}
if (fsize && *fsize) {
pctx.num = *fsize;
if (fix_problem(ctx, PR_2_FSIZE_ZERO, &pctx)) {
*fsize = 0;
inode_modified++;
}
pctx.num = 0;
}
if (inode.i_file_acl &&
!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR) &&
fix_problem(ctx, PR_2_FILE_ACL_ZERO, &pctx)) {
inode.i_file_acl = 0;
inode_modified++;
}
if (inode.i_file_acl &&
((inode.i_file_acl < fs->super->s_first_data_block) ||
(inode.i_file_acl >= fs->super->s_blocks_count)) &&
fix_problem(ctx, PR_2_FILE_ACL_BAD, &pctx)) {
inode.i_file_acl = 0;
inode_modified++;
}
if (inode.i_dir_acl &&
LINUX_S_ISDIR(inode.i_mode) &&
fix_problem(ctx, PR_2_DIR_ACL_ZERO, &pctx)) {
inode.i_dir_acl = 0;
inode_modified++;
}
if (inode_modified)
e2fsck_write_inode(ctx, ino, &inode, "process_bad_inode");
return 0;
}
