mirror of https://github.com/vitalif/e2fsprogs
misc: move check_plausibility into a separate file
Move check_plausibility() into a separate file so that various programs can use it without having to declare useless global variables that the util.c functions seem to require. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>crypto
parent
0858268dff
commit
b598c517b3
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@ -23,7 +23,7 @@ DEBUG_OBJS= debug_cmds.o extent_cmds.o tst_cmds.o debugfs.o util.o \
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ncheck.o icheck.o ls.o lsdel.o dump.o set_fields.o logdump.o \
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ncheck.o icheck.o ls.o lsdel.o dump.o set_fields.o logdump.o \
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htree.o unused.o e2freefrag.o filefrag.o extent_inode.o zap.o \
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htree.o unused.o e2freefrag.o filefrag.o extent_inode.o zap.o \
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xattrs.o quota.o tst_libext2fs.o create_inode.o journal.o \
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xattrs.o quota.o tst_libext2fs.o create_inode.o journal.o \
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revoke.o recovery.o do_journal.o
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revoke.o recovery.o do_journal.o plausible.o
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DEBUG_SRCS= debug_cmds.c extent_cmds.c tst_cmds.c \
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DEBUG_SRCS= debug_cmds.c extent_cmds.c tst_cmds.c \
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$(top_srcdir)/debugfs/debugfs.c \
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$(top_srcdir)/debugfs/debugfs.c \
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@ -47,7 +47,8 @@ DEBUG_SRCS= debug_cmds.c extent_cmds.c tst_cmds.c \
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$(top_srcdir)/debugfs/journal.c \
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$(top_srcdir)/debugfs/journal.c \
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$(top_srcdir)/e2fsck/revoke.c \
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$(top_srcdir)/e2fsck/revoke.c \
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$(top_srcdir)/e2fsck/recovery.c \
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$(top_srcdir)/e2fsck/recovery.c \
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$(top_srcdir)/debugfs/do_journal.c
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$(top_srcdir)/debugfs/do_journal.c \
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$(top_srcdir)/misc/plausible.c
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OBJS= $(DEBUGFS_LIB_OBJS) $(RESIZE_LIB_OBJS) $(E2IMAGE_LIB_OBJS) \
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OBJS= $(DEBUGFS_LIB_OBJS) $(RESIZE_LIB_OBJS) $(E2IMAGE_LIB_OBJS) \
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$(TEST_IO_LIB_OBJS) \
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$(TEST_IO_LIB_OBJS) \
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@ -412,6 +413,10 @@ recovery.o: $(top_srcdir)/e2fsck/recovery.c
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$(E) " CC $<"
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$(E) " CC $<"
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$(Q) $(CC) $(DEBUGFS_CFLAGS) -c $< -o $@
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$(Q) $(CC) $(DEBUGFS_CFLAGS) -c $< -o $@
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plausible.o: $(top_srcdir)/misc/plausible.c
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$(E) " CC $<"
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$(Q) $(CC) $(ALL_CFLAGS) -c $< -o $@
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do_journal.o: $(top_srcdir)/debugfs/do_journal.c
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do_journal.o: $(top_srcdir)/debugfs/do_journal.c
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$(E) " CC $<"
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$(E) " CC $<"
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$(Q) $(CC) $(DEBUGFS_CFLAGS) -c $< -o $@
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$(Q) $(CC) $(DEBUGFS_CFLAGS) -c $< -o $@
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@ -464,7 +469,7 @@ tst_libext2fs: $(DEBUG_OBJS) \
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$(E) " LD $@"
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$(E) " LD $@"
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$(Q) $(CC) -o tst_libext2fs $(ALL_LDFLAGS) -DDEBUG $(DEBUG_OBJS) \
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$(Q) $(CC) -o tst_libext2fs $(ALL_LDFLAGS) -DDEBUG $(DEBUG_OBJS) \
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$(STATIC_LIBSS) $(STATIC_LIBE2P) $(LIBQUOTA) \
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$(STATIC_LIBSS) $(STATIC_LIBE2P) $(LIBQUOTA) \
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$(STATIC_LIBEXT2FS) $(LIBBLKID) $(LIBUUID) \
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$(STATIC_LIBEXT2FS) $(LIBBLKID) $(LIBUUID) $(LIBMAGIC) \
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$(STATIC_LIBCOM_ERR) $(SYSLIBS) -I $(top_srcdir)/debugfs
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$(STATIC_LIBCOM_ERR) $(SYSLIBS) -I $(top_srcdir)/debugfs
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tst_inline: $(srcdir)/inline.c $(STATIC_LIBEXT2FS) $(DEPSTATIC_LIBCOM_ERR)
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tst_inline: $(srcdir)/inline.c $(STATIC_LIBEXT2FS) $(DEPSTATIC_LIBCOM_ERR)
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@ -41,10 +41,10 @@ UMANPAGES= chattr.1 lsattr.1 @UUID_CMT@ uuidgen.1
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LPROGS= @E2INITRD_PROG@
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LPROGS= @E2INITRD_PROG@
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TUNE2FS_OBJS= tune2fs.o util.o
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TUNE2FS_OBJS= tune2fs.o util.o plausible.o
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MKLPF_OBJS= mklost+found.o
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MKLPF_OBJS= mklost+found.o
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MKE2FS_OBJS= mke2fs.o util.o profile.o prof_err.o default_profile.o \
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MKE2FS_OBJS= mke2fs.o util.o profile.o prof_err.o default_profile.o \
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mk_hugefiles.o create_inode.o
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mk_hugefiles.o create_inode.o plausible.o
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CHATTR_OBJS= chattr.o
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CHATTR_OBJS= chattr.o
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LSATTR_OBJS= lsattr.o
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LSATTR_OBJS= lsattr.o
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UUIDGEN_OBJS= uuidgen.o
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UUIDGEN_OBJS= uuidgen.o
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@ -60,11 +60,12 @@ E4DEFRAG_OBJS= e4defrag.o
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E2FREEFRAG_OBJS= e2freefrag.o
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E2FREEFRAG_OBJS= e2freefrag.o
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E2FUZZ_OBJS= e2fuzz.o
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E2FUZZ_OBJS= e2fuzz.o
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PROFILED_TUNE2FS_OBJS= profiled/tune2fs.o profiled/util.o
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PROFILED_TUNE2FS_OBJS= profiled/tune2fs.o profiled/util.o profiled/plausible.o
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PROFILED_MKLPF_OBJS= profiled/mklost+found.o
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PROFILED_MKLPF_OBJS= profiled/mklost+found.o
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PROFILED_MKE2FS_OBJS= profiled/mke2fs.o profiled/util.o profiled/profile.o \
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PROFILED_MKE2FS_OBJS= profiled/mke2fs.o profiled/util.o profiled/profile.o \
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profiled/prof_err.o profiled/default_profile.o \
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profiled/prof_err.o profiled/default_profile.o \
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profiled/mk_hugefiles.o profiled/create_inode.o
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profiled/mk_hugefiles.o profiled/create_inode.o \
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profiled/plausible.o
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PROFILED_CHATTR_OBJS= profiled/chattr.o
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PROFILED_CHATTR_OBJS= profiled/chattr.o
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PROFILED_LSATTR_OBJS= profiled/lsattr.o
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PROFILED_LSATTR_OBJS= profiled/lsattr.o
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@ -87,7 +88,8 @@ SRCS= $(srcdir)/tune2fs.c $(srcdir)/mklost+found.c $(srcdir)/mke2fs.c $(srcdir)/
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$(srcdir)/uuidgen.c $(srcdir)/blkid.c $(srcdir)/logsave.c \
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$(srcdir)/uuidgen.c $(srcdir)/blkid.c $(srcdir)/logsave.c \
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$(srcdir)/filefrag.c $(srcdir)/base_device.c \
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$(srcdir)/filefrag.c $(srcdir)/base_device.c \
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$(srcdir)/ismounted.c $(srcdir)/../e2fsck/profile.c \
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$(srcdir)/ismounted.c $(srcdir)/../e2fsck/profile.c \
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$(srcdir)/e2undo.c $(srcdir)/e2freefrag.c $(srcdir)/create_inode.c
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$(srcdir)/e2undo.c $(srcdir)/e2freefrag.c $(srcdir)/create_inode.c \
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$(srcdir)/plausible.c
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LIBS= $(LIBEXT2FS) $(LIBCOM_ERR)
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LIBS= $(LIBEXT2FS) $(LIBCOM_ERR)
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DEPLIBS= $(LIBEXT2FS) $(DEPLIBCOM_ERR)
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DEPLIBS= $(LIBEXT2FS) $(DEPLIBCOM_ERR)
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@ -699,6 +701,14 @@ badblocks.o: $(srcdir)/badblocks.c $(top_builddir)/lib/config.h \
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fsck.o: $(srcdir)/fsck.c $(top_builddir)/lib/config.h \
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fsck.o: $(srcdir)/fsck.c $(top_builddir)/lib/config.h \
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$(top_builddir)/lib/dirpaths.h $(top_srcdir)/version.h \
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$(top_builddir)/lib/dirpaths.h $(top_srcdir)/version.h \
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$(srcdir)/nls-enable.h $(srcdir)/fsck.h
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$(srcdir)/nls-enable.h $(srcdir)/fsck.h
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plausible.o: $(srcdir)/plausible.c $(top_builddir)/lib/config.h \
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$(top_builddir)/lib/dirpaths.h $(top_srcdir)/lib/et/com_err.h \
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$(top_srcdir)/lib/e2p/e2p.h $(top_srcdir)/lib/ext2fs/ext2_fs.h \
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$(top_builddir)/lib/ext2fs/ext2_types.h $(top_srcdir)/lib/ext2fs/ext2fs.h \
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$(top_srcdir)/lib/ext2fs/ext3_extents.h $(top_srcdir)/lib/ext2fs/ext2_io.h \
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$(top_builddir)/lib/ext2fs/ext2_err.h \
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$(top_srcdir)/lib/ext2fs/ext2_ext_attr.h $(top_srcdir)/lib/ext2fs/bitops.h \
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$(srcdir)/nls-enable.h $(srcdir)/plausible.h
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util.o: $(srcdir)/util.c $(top_builddir)/lib/config.h \
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util.o: $(srcdir)/util.c $(top_builddir)/lib/config.h \
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$(top_builddir)/lib/dirpaths.h $(top_srcdir)/lib/et/com_err.h \
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$(top_builddir)/lib/dirpaths.h $(top_srcdir)/lib/et/com_err.h \
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$(top_srcdir)/lib/e2p/e2p.h $(top_srcdir)/lib/ext2fs/ext2_fs.h \
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$(top_srcdir)/lib/e2p/e2p.h $(top_srcdir)/lib/ext2fs/ext2_fs.h \
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@ -52,6 +52,7 @@ extern int optind;
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#include "ext2fs/ext2fsP.h"
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#include "ext2fs/ext2fsP.h"
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#include "uuid/uuid.h"
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#include "uuid/uuid.h"
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#include "util.h"
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#include "util.h"
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#include "plausible.h"
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#include "profile.h"
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#include "profile.h"
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#include "prof_err.h"
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#include "prof_err.h"
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#include "../version.h"
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#include "../version.h"
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@ -0,0 +1,232 @@
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/*
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* plausible.c --- Figure out if a pathname is ext* or something else.
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*
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* Copyright 2014, Oracle, Inc.
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*
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* Some parts are:
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* Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Public
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* License.
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* %End-Header%
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*/
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#define _LARGEFILE_SOURCE
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#define _LARGEFILE64_SOURCE
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#include "config.h"
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#include <fcntl.h>
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#include <time.h>
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#ifdef HAVE_LINUX_MAJOR_H
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#include <linux/major.h>
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#endif
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#include <sys/types.h>
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "plausible.h"
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#include "ext2fs/ext2fs.h"
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#include "nls-enable.h"
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#include "blkid/blkid.h"
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static void print_ext2_info(const char *device)
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{
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struct ext2_super_block *sb;
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ext2_filsys fs;
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errcode_t retval;
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time_t tm;
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char buf[80];
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retval = ext2fs_open2(device, 0, EXT2_FLAG_64BITS, 0, 0,
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unix_io_manager, &fs);
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if (retval)
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return;
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sb = fs->super;
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if (sb->s_mtime) {
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tm = sb->s_mtime;
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if (sb->s_last_mounted[0]) {
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memset(buf, 0, sizeof(buf));
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strncpy(buf, sb->s_last_mounted,
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sizeof(sb->s_last_mounted));
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printf(_("\tlast mounted on %s on %s"), buf,
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ctime(&tm));
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} else
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printf(_("\tlast mounted on %s"), ctime(&tm));
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} else if (sb->s_mkfs_time) {
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tm = sb->s_mkfs_time;
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printf(_("\tcreated on %s"), ctime(&tm));
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} else if (sb->s_wtime) {
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tm = sb->s_wtime;
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printf(_("\tlast modified on %s"), ctime(&tm));
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}
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ext2fs_close_free(&fs);
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}
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/*
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* return 1 if there is no partition table, 0 if a partition table is
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* detected, and -1 on an error.
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*/
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static int check_partition_table(const char *device)
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{
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#ifdef HAVE_BLKID_PROBE_ENABLE_PARTITIONS
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blkid_probe pr;
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const char *value;
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int ret;
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pr = blkid_new_probe_from_filename(device);
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if (!pr)
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return -1;
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ret = blkid_probe_enable_partitions(pr, 1);
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if (ret < 0)
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goto errout;
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ret = blkid_probe_enable_superblocks(pr, 0);
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if (ret < 0)
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goto errout;
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ret = blkid_do_fullprobe(pr);
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if (ret < 0)
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goto errout;
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ret = blkid_probe_lookup_value(pr, "PTTYPE", &value, NULL);
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if (ret == 0)
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fprintf(stderr, _("Found a %s partition table in %s\n"),
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value, device);
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else
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ret = 1;
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errout:
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blkid_free_probe(pr);
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return ret;
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#else
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return -1;
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#endif
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}
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/*
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* return 1 if the device looks plausible, creating the file if necessary
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*/
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int check_plausibility(const char *device, int flags, int *ret_is_dev)
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{
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int fd, ret, is_dev = 0;
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ext2fs_struct_stat s;
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int fl = O_RDONLY;
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blkid_cache cache = NULL;
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char *fs_type = NULL;
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char *fs_label = NULL;
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fd = ext2fs_open_file(device, fl, 0666);
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if ((fd < 0) && (errno == ENOENT) && (flags & NO_SIZE)) {
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fprintf(stderr, _("The file %s does not exist and no "
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"size was specified.\n"), device);
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exit(1);
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}
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if ((fd < 0) && (errno == ENOENT) && (flags & CREATE_FILE)) {
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fl |= O_CREAT;
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fd = ext2fs_open_file(device, fl, 0666);
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if (fd >= 0 && (flags & VERBOSE_CREATE))
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printf(_("Creating regular file %s\n"), device);
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}
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if (fd < 0) {
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fprintf(stderr, _("Could not open %s: %s\n"),
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device, error_message(errno));
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if (errno == ENOENT)
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fputs(_("\nThe device apparently does not exist; "
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"did you specify it correctly?\n"), stderr);
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exit(1);
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}
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if (ext2fs_fstat(fd, &s) < 0) {
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perror("stat");
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exit(1);
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}
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close(fd);
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if (S_ISBLK(s.st_mode))
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is_dev = 1;
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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/* On FreeBSD, all disk devices are character specials */
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if (S_ISCHR(s.st_mode))
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is_dev = 1;
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#endif
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if (ret_is_dev)
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*ret_is_dev = is_dev;
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if ((flags & CHECK_BLOCK_DEV) && !is_dev) {
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printf(_("%s is not a block special device.\n"), device);
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return 0;
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}
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/*
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* Note: we use the older-style blkid API's here because we
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* want as much functionality to be available when using the
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* internal blkid library, when e2fsprogs is compiled for
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* non-Linux systems that will probably not have the libraries
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* from util-linux available. We only use the newer
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* blkid-probe interfaces to access functionality not
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* available in the original blkid library.
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*/
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if ((flags & CHECK_FS_EXIST) && blkid_get_cache(&cache, NULL) >= 0) {
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fs_type = blkid_get_tag_value(cache, "TYPE", device);
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if (fs_type)
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fs_label = blkid_get_tag_value(cache, "LABEL", device);
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blkid_put_cache(cache);
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}
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if (fs_type) {
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if (fs_label)
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printf(_("%s contains a %s file system "
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"labelled '%s'\n"), device, fs_type, fs_label);
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||||||
|
else
|
||||||
|
printf(_("%s contains a %s file system\n"), device,
|
||||||
|
fs_type);
|
||||||
|
if (strncmp(fs_type, "ext", 3) == 0)
|
||||||
|
print_ext2_info(device);
|
||||||
|
free(fs_type);
|
||||||
|
free(fs_label);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = check_partition_table(device);
|
||||||
|
if (ret >= 0)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
#ifdef HAVE_LINUX_MAJOR_H
|
||||||
|
#ifndef MAJOR
|
||||||
|
#define MAJOR(dev) ((dev)>>8)
|
||||||
|
#define MINOR(dev) ((dev) & 0xff)
|
||||||
|
#endif
|
||||||
|
#ifndef SCSI_BLK_MAJOR
|
||||||
|
#ifdef SCSI_DISK0_MAJOR
|
||||||
|
#ifdef SCSI_DISK8_MAJOR
|
||||||
|
#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \
|
||||||
|
((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR) || \
|
||||||
|
((M) >= SCSI_DISK8_MAJOR && (M) <= SCSI_DISK15_MAJOR))
|
||||||
|
#else
|
||||||
|
#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \
|
||||||
|
((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR))
|
||||||
|
#endif /* defined(SCSI_DISK8_MAJOR) */
|
||||||
|
#define SCSI_BLK_MAJOR(M) (SCSI_DISK_MAJOR((M)) || (M) == SCSI_CDROM_MAJOR)
|
||||||
|
#else
|
||||||
|
#define SCSI_BLK_MAJOR(M) ((M) == SCSI_DISK_MAJOR || (M) == SCSI_CDROM_MAJOR)
|
||||||
|
#endif /* defined(SCSI_DISK0_MAJOR) */
|
||||||
|
#endif /* defined(SCSI_BLK_MAJOR) */
|
||||||
|
if (((MAJOR(s.st_rdev) == HD_MAJOR &&
|
||||||
|
MINOR(s.st_rdev)%64 == 0) ||
|
||||||
|
(SCSI_BLK_MAJOR(MAJOR(s.st_rdev)) &&
|
||||||
|
MINOR(s.st_rdev)%16 == 0))) {
|
||||||
|
printf(_("%s is entire device, not just one partition!\n"),
|
||||||
|
device);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
|
@ -0,0 +1,28 @@
|
||||||
|
/*
|
||||||
|
* plausible.h --- header file defining prototypes for helper functions
|
||||||
|
* used by tune2fs and mke2fs
|
||||||
|
*
|
||||||
|
* Copyright 2014 by Oracle, Inc.
|
||||||
|
*
|
||||||
|
* %Begin-Header%
|
||||||
|
* This file may be redistributed under the terms of the GNU Public
|
||||||
|
* License.
|
||||||
|
* %End-Header%
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef PLAUSIBLE_H_
|
||||||
|
#define PLAUSIBLE_H_
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Flags for check_plausibility()
|
||||||
|
*/
|
||||||
|
#define CHECK_BLOCK_DEV 0x0001
|
||||||
|
#define CREATE_FILE 0x0002
|
||||||
|
#define CHECK_FS_EXIST 0x0004
|
||||||
|
#define VERBOSE_CREATE 0x0008
|
||||||
|
#define NO_SIZE 0x0010
|
||||||
|
|
||||||
|
extern int check_plausibility(const char *device, int flags,
|
||||||
|
int *ret_is_dev);
|
||||||
|
|
||||||
|
#endif /* PLAUSIBLE_H_ */
|
|
@ -59,6 +59,7 @@ extern int optind;
|
||||||
#include "e2p/e2p.h"
|
#include "e2p/e2p.h"
|
||||||
#include "jfs_user.h"
|
#include "jfs_user.h"
|
||||||
#include "util.h"
|
#include "util.h"
|
||||||
|
#include "plausible.h"
|
||||||
#include "blkid/blkid.h"
|
#include "blkid/blkid.h"
|
||||||
#include "quota/quotaio.h"
|
#include "quota/quotaio.h"
|
||||||
|
|
||||||
|
|
197
misc/util.c
197
misc/util.c
|
@ -108,203 +108,6 @@ void proceed_question(int delay)
|
||||||
signal(SIGALRM, SIG_IGN);
|
signal(SIGALRM, SIG_IGN);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void print_ext2_info(const char *device)
|
|
||||||
|
|
||||||
{
|
|
||||||
struct ext2_super_block *sb;
|
|
||||||
ext2_filsys fs;
|
|
||||||
errcode_t retval;
|
|
||||||
time_t tm;
|
|
||||||
char buf[80];
|
|
||||||
|
|
||||||
retval = ext2fs_open2(device, 0, EXT2_FLAG_64BITS, 0, 0,
|
|
||||||
unix_io_manager, &fs);
|
|
||||||
if (retval)
|
|
||||||
return;
|
|
||||||
sb = fs->super;
|
|
||||||
|
|
||||||
if (sb->s_mtime) {
|
|
||||||
tm = sb->s_mtime;
|
|
||||||
if (sb->s_last_mounted[0]) {
|
|
||||||
memset(buf, 0, sizeof(buf));
|
|
||||||
strncpy(buf, sb->s_last_mounted,
|
|
||||||
sizeof(sb->s_last_mounted));
|
|
||||||
printf(_("\tlast mounted on %s on %s"), buf,
|
|
||||||
ctime(&tm));
|
|
||||||
} else
|
|
||||||
printf(_("\tlast mounted on %s"), ctime(&tm));
|
|
||||||
} else if (sb->s_mkfs_time) {
|
|
||||||
tm = sb->s_mkfs_time;
|
|
||||||
printf(_("\tcreated on %s"), ctime(&tm));
|
|
||||||
} else if (sb->s_wtime) {
|
|
||||||
tm = sb->s_wtime;
|
|
||||||
printf(_("\tlast modified on %s"), ctime(&tm));
|
|
||||||
}
|
|
||||||
ext2fs_close_free(&fs);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* return 1 if there is no partition table, 0 if a partition table is
|
|
||||||
* detected, and -1 on an error.
|
|
||||||
*/
|
|
||||||
static int check_partition_table(const char *device)
|
|
||||||
{
|
|
||||||
#ifdef HAVE_BLKID_PROBE_ENABLE_PARTITIONS
|
|
||||||
blkid_probe pr;
|
|
||||||
const char *value;
|
|
||||||
int ret;
|
|
||||||
|
|
||||||
pr = blkid_new_probe_from_filename(device);
|
|
||||||
if (!pr)
|
|
||||||
return -1;
|
|
||||||
|
|
||||||
ret = blkid_probe_enable_partitions(pr, 1);
|
|
||||||
if (ret < 0)
|
|
||||||
goto errout;
|
|
||||||
|
|
||||||
ret = blkid_probe_enable_superblocks(pr, 0);
|
|
||||||
if (ret < 0)
|
|
||||||
goto errout;
|
|
||||||
|
|
||||||
ret = blkid_do_fullprobe(pr);
|
|
||||||
if (ret < 0)
|
|
||||||
goto errout;
|
|
||||||
|
|
||||||
ret = blkid_probe_lookup_value(pr, "PTTYPE", &value, NULL);
|
|
||||||
if (ret == 0)
|
|
||||||
fprintf(stderr, _("Found a %s partition table in %s\n"),
|
|
||||||
value, device);
|
|
||||||
else
|
|
||||||
ret = 1;
|
|
||||||
|
|
||||||
errout:
|
|
||||||
blkid_free_probe(pr);
|
|
||||||
return ret;
|
|
||||||
#else
|
|
||||||
return -1;
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* return 1 if the device looks plausible, creating the file if necessary
|
|
||||||
*/
|
|
||||||
int check_plausibility(const char *device, int flags, int *ret_is_dev)
|
|
||||||
{
|
|
||||||
int fd, ret, is_dev = 0;
|
|
||||||
ext2fs_struct_stat s;
|
|
||||||
int fl = O_RDONLY;
|
|
||||||
blkid_cache cache = NULL;
|
|
||||||
char *fs_type = NULL;
|
|
||||||
char *fs_label = NULL;
|
|
||||||
|
|
||||||
fd = ext2fs_open_file(device, fl, 0666);
|
|
||||||
if ((fd < 0) && (errno == ENOENT) && (flags & NO_SIZE)) {
|
|
||||||
fprintf(stderr, _("The file %s does not exist and no "
|
|
||||||
"size was specified.\n"), device);
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
if ((fd < 0) && (errno == ENOENT) && (flags & CREATE_FILE)) {
|
|
||||||
fl |= O_CREAT;
|
|
||||||
fd = ext2fs_open_file(device, fl, 0666);
|
|
||||||
if (fd >= 0 && (flags & VERBOSE_CREATE))
|
|
||||||
printf(_("Creating regular file %s\n"), device);
|
|
||||||
}
|
|
||||||
if (fd < 0) {
|
|
||||||
fprintf(stderr, _("Could not open %s: %s\n"),
|
|
||||||
device, error_message(errno));
|
|
||||||
if (errno == ENOENT)
|
|
||||||
fputs(_("\nThe device apparently does not exist; "
|
|
||||||
"did you specify it correctly?\n"), stderr);
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (ext2fs_fstat(fd, &s) < 0) {
|
|
||||||
perror("stat");
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
close(fd);
|
|
||||||
|
|
||||||
if (S_ISBLK(s.st_mode))
|
|
||||||
is_dev = 1;
|
|
||||||
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
|
|
||||||
/* On FreeBSD, all disk devices are character specials */
|
|
||||||
if (S_ISCHR(s.st_mode))
|
|
||||||
is_dev = 1;
|
|
||||||
#endif
|
|
||||||
if (ret_is_dev)
|
|
||||||
*ret_is_dev = is_dev;
|
|
||||||
|
|
||||||
if ((flags & CHECK_BLOCK_DEV) && !is_dev) {
|
|
||||||
printf(_("%s is not a block special device.\n"), device);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Note: we use the older-style blkid API's here because we
|
|
||||||
* want as much functionality to be available when using the
|
|
||||||
* internal blkid library, when e2fsprogs is compiled for
|
|
||||||
* non-Linux systems that will probably not have the libraries
|
|
||||||
* from util-linux available. We only use the newer
|
|
||||||
* blkid-probe interfaces to access functionality not
|
|
||||||
* available in the original blkid library.
|
|
||||||
*/
|
|
||||||
if ((flags & CHECK_FS_EXIST) && blkid_get_cache(&cache, NULL) >= 0) {
|
|
||||||
fs_type = blkid_get_tag_value(cache, "TYPE", device);
|
|
||||||
if (fs_type)
|
|
||||||
fs_label = blkid_get_tag_value(cache, "LABEL", device);
|
|
||||||
blkid_put_cache(cache);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (fs_type) {
|
|
||||||
if (fs_label)
|
|
||||||
printf(_("%s contains a %s file system "
|
|
||||||
"labelled '%s'\n"), device, fs_type, fs_label);
|
|
||||||
else
|
|
||||||
printf(_("%s contains a %s file system\n"), device,
|
|
||||||
fs_type);
|
|
||||||
if (strncmp(fs_type, "ext", 3) == 0)
|
|
||||||
print_ext2_info(device);
|
|
||||||
free(fs_type);
|
|
||||||
free(fs_label);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
ret = check_partition_table(device);
|
|
||||||
if (ret >= 0)
|
|
||||||
return ret;
|
|
||||||
|
|
||||||
#ifdef HAVE_LINUX_MAJOR_H
|
|
||||||
#ifndef MAJOR
|
|
||||||
#define MAJOR(dev) ((dev)>>8)
|
|
||||||
#define MINOR(dev) ((dev) & 0xff)
|
|
||||||
#endif
|
|
||||||
#ifndef SCSI_BLK_MAJOR
|
|
||||||
#ifdef SCSI_DISK0_MAJOR
|
|
||||||
#ifdef SCSI_DISK8_MAJOR
|
|
||||||
#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \
|
|
||||||
((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR) || \
|
|
||||||
((M) >= SCSI_DISK8_MAJOR && (M) <= SCSI_DISK15_MAJOR))
|
|
||||||
#else
|
|
||||||
#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \
|
|
||||||
((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR))
|
|
||||||
#endif /* defined(SCSI_DISK8_MAJOR) */
|
|
||||||
#define SCSI_BLK_MAJOR(M) (SCSI_DISK_MAJOR((M)) || (M) == SCSI_CDROM_MAJOR)
|
|
||||||
#else
|
|
||||||
#define SCSI_BLK_MAJOR(M) ((M) == SCSI_DISK_MAJOR || (M) == SCSI_CDROM_MAJOR)
|
|
||||||
#endif /* defined(SCSI_DISK0_MAJOR) */
|
|
||||||
#endif /* defined(SCSI_BLK_MAJOR) */
|
|
||||||
if (((MAJOR(s.st_rdev) == HD_MAJOR &&
|
|
||||||
MINOR(s.st_rdev)%64 == 0) ||
|
|
||||||
(SCSI_BLK_MAJOR(MAJOR(s.st_rdev)) &&
|
|
||||||
MINOR(s.st_rdev)%16 == 0))) {
|
|
||||||
printf(_("%s is entire device, not just one partition!\n"),
|
|
||||||
device);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
void check_mount(const char *device, int force, const char *type)
|
void check_mount(const char *device, int force, const char *type)
|
||||||
{
|
{
|
||||||
errcode_t retval;
|
errcode_t retval;
|
||||||
|
|
11
misc/util.h
11
misc/util.h
|
@ -15,22 +15,11 @@ extern int journal_flags;
|
||||||
extern char *journal_device;
|
extern char *journal_device;
|
||||||
extern char *journal_location_string;
|
extern char *journal_location_string;
|
||||||
|
|
||||||
/*
|
|
||||||
* Flags for check_plausibility()
|
|
||||||
*/
|
|
||||||
#define CHECK_BLOCK_DEV 0x0001
|
|
||||||
#define CREATE_FILE 0x0002
|
|
||||||
#define CHECK_FS_EXIST 0x0004
|
|
||||||
#define VERBOSE_CREATE 0x0008
|
|
||||||
#define NO_SIZE 0x0010
|
|
||||||
|
|
||||||
#ifndef HAVE_STRCASECMP
|
#ifndef HAVE_STRCASECMP
|
||||||
extern int strcasecmp (char *s1, char *s2);
|
extern int strcasecmp (char *s1, char *s2);
|
||||||
#endif
|
#endif
|
||||||
extern char *get_progname(char *argv_zero);
|
extern char *get_progname(char *argv_zero);
|
||||||
extern void proceed_question(int delay);
|
extern void proceed_question(int delay);
|
||||||
extern int check_plausibility(const char *device, int flags,
|
|
||||||
int *ret_is_dev);
|
|
||||||
extern void parse_journal_opts(const char *opts);
|
extern void parse_journal_opts(const char *opts);
|
||||||
extern void check_mount(const char *device, int force, const char *type);
|
extern void check_mount(const char *device, int force, const char *type);
|
||||||
extern unsigned int figure_journal_size(int size, ext2_filsys fs);
|
extern unsigned int figure_journal_size(int size, ext2_filsys fs);
|
||||||
|
|
Loading…
Reference in New Issue