diff options
Diffstat (limited to 'fsck/main.c')
| -rw-r--r-- | fsck/main.c | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/fsck/main.c b/fsck/main.c index 0af15b4..5a2f659 100644 --- a/fsck/main.c +++ b/fsck/main.c @@ -89,7 +89,7 @@ static void usage(void) static void erofsfsck_print_version(void) { - fprintf(stderr, "fsck.erofs %s\n", cfg.c_version); + printf("fsck.erofs %s\n", cfg.c_version); } static int erofsfsck_parse_options_cfg(int argc, char **argv) @@ -638,6 +638,44 @@ out: return ret; } +static int erofs_extract_special(struct erofs_inode *inode) +{ + bool tryagain = true; + int ret; + + erofs_dbg("extract special to path: %s", fsckcfg.extract_path); + + /* verify data chunk layout */ + ret = erofs_verify_inode_data(inode, -1); + if (ret) + return ret; + +again: + if (mknod(fsckcfg.extract_path, inode->i_mode, inode->u.i_rdev) < 0) { + if (errno == EEXIST && fsckcfg.overwrite && tryagain) { + erofs_warn("try to forcely remove file %s", + fsckcfg.extract_path); + if (unlink(fsckcfg.extract_path) < 0) { + erofs_err("failed to remove: %s", + fsckcfg.extract_path); + return -errno; + } + tryagain = false; + goto again; + } + if (errno == EEXIST || fsckcfg.superuser) { + erofs_err("failed to create special file: %s", + fsckcfg.extract_path); + ret = -errno; + } else { + erofs_warn("failed to create special file: %s, skipped", + fsckcfg.extract_path); + ret = -ECANCELED; + } + } + return ret; +} + static int erofsfsck_dirent_iter(struct erofs_dir_context *ctx) { int ret; @@ -698,6 +736,12 @@ static int erofsfsck_check_inode(erofs_nid_t pnid, erofs_nid_t nid) case S_IFLNK: ret = erofs_extract_symlink(&inode); break; + case S_IFCHR: + case S_IFBLK: + case S_IFIFO: + case S_IFSOCK: + ret = erofs_extract_special(&inode); + break; default: /* TODO */ goto verify; @@ -707,7 +751,7 @@ verify: /* verify data chunk layout */ ret = erofs_verify_inode_data(&inode, -1); } - if (ret) + if (ret && ret != -ECANCELED) goto out; /* XXXX: the dir depth should be restricted in order to avoid loops */ @@ -725,6 +769,8 @@ verify: if (!ret) erofsfsck_set_attributes(&inode, fsckcfg.extract_path); + if (ret == -ECANCELED) + ret = 0; out: if (ret && ret != -EIO) fsckcfg.corrupted = true; |