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libuuid: import UUID library from e2fsprogs 

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2009-05-16 01:01:36 +02:00
parent 28d39b6dd7
commit 754fed0c14
33 changed files with 2579 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
config/include-Makefile.am
View File

@ -16,6 +16,7 @@ dist_noinst_DATA = $(dist_man_MANS)
# Paths to in-tree libraries (use ul_ prefix to avoid possible collisions)
#
# blkid
ul_libblkid_srcdir = $(top_srcdir)/shlibs/blkid/src
ul_libblkid_builddir = $(top_builddir)/shlibs/blkid/src
ul_libblkid_la = $(top_builddir)/shlibs/blkid/src/libblkid.la
@ -23,3 +24,11 @@ ul_libblkid_la = $(top_builddir)/shlibs/blkid/src/libblkid.la
$(ul_libblkid_la):
$(MAKE) -C $(ul_libblkid_builddir)
# uuid
ul_libuuid_srcdir = $(top_srcdir)/shlibs/uuid/src
ul_libuuid_builddir = $(top_builddir)/shlibs/uuid/src
ul_libuuid_la = $(top_builddir)/shlibs/uuid/src/libuuid.la
$(ul_libuuid_la):
$(MAKE) -C $(ul_libuuid_builddir)

25
configure.ac
View File

@ -84,9 +84,13 @@ AC_CHECK_HEADERS(
linux/tiocl.h \
linux/version.h \
locale.h \
stdlib.h \
stdint.h \
inttypes.h \
pty.h \
mntent.h \
net/if.h \
net/if_dl.h \
netinet/in.h \
rpcsvc/nfs_prot.h \
scsi/scsi.h \
stdlib.h \
@ -94,12 +98,18 @@ AC_CHECK_HEADERS(
sys/disklabel.h \
sys/ioctl.h \
sys/io.h \
sys/time.h \
sys/mkdev.h \
sys/prctl.h \
sys/queue.h \
sys/sockio.h \
sys/file.h \
sys/ioctl.h \
sys/stat.h \
sys/types.h \
sys/un.h \
sys/user.h \
sys/resource.h \
unistd.h ])
AC_CHECK_HEADERS([linux/raw.h],
[AM_CONDITIONAL([HAVE_RAW], [true])],
@ -119,12 +129,21 @@ AC_CHECK_FUNCS(
llseek \
lseek64 \
strtoull \
sysconf \
getdtablesize \
getrlimit \
srandom \
inotify_init \
prctl \
__secure_getenv \
rpmatch])
AC_FUNC_FSEEKO
AC_CHECK_MEMBER(struct sockaddr.sa_len,
AC_DEFINE_UNQUOTED(HAVE_SA_LEN,1,[Define if struct sockaddr contains sa_len]),,
[#include <sys/types.h>
#include <sys/socket.h>])
dnl Static compilation
m4_define([UTIL_STATIC_PROGRAMS], [losetup, mount, umount, fdisk, sfdisk, blkid])
@ -800,6 +819,10 @@ shlibs/blkid/blkid.pc
shlibs/blkid/Makefile
shlibs/blkid/src/Makefile
shlibs/blkid/src/probers/Makefile
shlibs/uuid/uuid.pc
shlibs/uuid/Makefile
shlibs/uuid/man/Makefile
shlibs/uuid/src/Makefile
shlibs/Makefile
sys-utils/Makefile
tests/commands.sh

2
shlibs/Makefile.am
View File

@ -3,3 +3,5 @@ SUBDIRS =
if BUILD_LIBBLKID
SUBDIRS += blkid
endif
SUBDIRS += uuid

25
shlibs/uuid/COPYING.libuuid Normal file
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@ -0,0 +1,25 @@
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, and the entire permission notice in its entirety,
including the disclaimer of warranties.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.

10
shlibs/uuid/Makefile.am Normal file
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@ -0,0 +1,10 @@
include $(top_srcdir)/config/include-Makefile.am
SUBDIRS = src man
# pkg-config stuff
pkgconfigdir = $(usrlibexecdir)/pkgconfig
pkgconfig_DATA = uuid.pc
EXTRA_DIST = README.uuid blkid.pc blkid.pc.in

4
shlibs/uuid/man/Makefile.am Normal file
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@ -0,0 +1,4 @@
include $(top_srcdir)/config/include-Makefile.am
dist_man_MANS = uuid.3 uuid_clear.3 uuid_compare.3 uuid_copy.3 uuid_generate.3 \
uuid_is_null.3 uuid_parse.3 uuid_time.3 uuid_unparse.3

66
shlibs/uuid/man/uuid.3 Normal file
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@ -0,0 +1,66 @@
.\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca)
.\"
.\" %Begin-Header%
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, and the entire permission notice in its entirety,
.\" including the disclaimer of warranties.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\" products derived from this software without specific prior
.\" written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
.\" WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
.\" USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
.\" DAMAGE.
.\" %End-Header%
.\"
.\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger
.TH UUID 3 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
uuid \- DCE compatible Universally Unique Identifier library
.SH SYNOPSIS
.B #include <uuid/uuid.h>
.SH DESCRIPTION
The UUID library is used to generate unique identifiers for objects
that may be accessible beyond the local system. This library
generates UUIDs compatible with those created by the Open Software
Foundation (OSF) Distributed Computing Environment (DCE) utility
.BR uuidgen .
.sp
The UUIDs generated by this library can be reasonably expected to be
unique within a system, and unique across all systems. They could
be used, for instance, to generate unique HTTP cookies across multiple
web servers without communication between the servers, and without fear
of a name clash.
.SH "CONFORMING TO"
OSF DCE 1.1
.SH AUTHOR
Theodore Y. Ts'o
.SH AVAILABILITY
The UUID library is part of the e2fsprogs package and is available from
.UR http://e2fsprogs.sourceforge.net/
http://e2fsprogs.sourceforge.net/
.UE
.SH "SEE ALSO"
.BR uuid_clear (3),
.BR uuid_compare (3),
.BR uuid_copy (3),
.BR uuid_generate (3),
.BR uuid_is_null (3),
.BR uuid_parse (3),
.BR uuid_time (3),
.BR uuid_unparse (3)

60
shlibs/uuid/man/uuid_clear.3 Normal file
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@ -0,0 +1,60 @@
.\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca)
.\"
.\" %Begin-Header%
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, and the entire permission notice in its entirety,
.\" including the disclaimer of warranties.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\" products derived from this software without specific prior
.\" written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
.\" WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
.\" USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
.\" DAMAGE.
.\" %End-Header%
.\"
.\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger
.TH UUID_CLEAR 3 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
uuid_clear \- reset value of UUID variable to the NULL value
.SH SYNOPSIS
.nf
.B #include <uuid/uuid.h>
.sp
.BI "void uuid_clear(uuid_t " uu );
.fi
.SH DESCRIPTION
The
.B uuid_clear
function sets the value of the supplied uuid variable
.I uu
to the NULL value.
.SH AUTHOR
Theodore Y. Ts'o
.SH AVAILABILITY
.UR http://e2fsprogs.sourceforge.net/
http://e2fsprogs.sourceforge.net/
.UE
.SH "SEE ALSO"
.BR uuid (3),
.BR uuid_compare (3),
.BR uuid_copy (3),
.BR uuid_generate (3),
.BR uuid_is_null (3),
.BR uuid_parse (3),
.BR uuid_unparse (3)

66
shlibs/uuid/man/uuid_compare.3 Normal file
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@ -0,0 +1,66 @@
.\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca)
.\"
.\" %Begin-Header%
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, and the entire permission notice in its entirety,
.\" including the disclaimer of warranties.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\" products derived from this software without specific prior
.\" written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
.\" WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
.\" USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
.\" DAMAGE.
.\" %End-Header%
.\"
.\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger
.TH UUID_COMPARE 3 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
uuid_compare \- compare whether two UUIDs are the same
.SH SYNOPSIS
.nf
.B #include <uuid/uuid.h>
.sp
.BI "int uuid_compare(uuid_t " uu1 ", uuid_t " uu2)
.fi
.SH DESCRIPTION
The
.B uuid_compare
function compares the two supplied uuid variables
.IR uu1 " and " uu2
to each other.
.SH RETURN VALUE
Returns an integer less than, equal to, or greater than zero if
.I uu1
is found, respectively, to be lexigraphically less than, equal, or
greater than
.IR uu2 .
.SH AUTHOR
Theodore Y. Ts'o
.SH AVAILABILITY
.UR http://e2fsprogs.sourceforge.net/
http://e2fsprogs.sourceforge.net/
.UE
.SH "SEE ALSO"
.BR uuid (3),
.BR uuid_clear (3),
.BR uuid_copy (3),
.BR uuid_generate (3),
.BR uuid_is_null (3),
.BR uuid_parse (3),
.BR uuid_unparse (3)

62
shlibs/uuid/man/uuid_copy.3 Normal file
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@ -0,0 +1,62 @@
.\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca)
.\"
.\" %Begin-Header%
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, and the entire permission notice in its entirety,
.\" including the disclaimer of warranties.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\" products derived from this software without specific prior
.\" written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
.\" WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
.\" USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
.\" DAMAGE.
.\" %End-Header%
.\"
.\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger
.TH UUID_COPY 3 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
uuid_copy \- copy a UUID value
.SH SYNOPSIS
.nf
.B #include <uuid/uuid.h>
.sp
.BI "void uuid_copy(uuid_t " dst ", uuid_t " src);
.fi
.SH DESCRIPTION
The
.B uuid_copy
function copies the UUID variable
.IR src " to " dst .
.SH RETURN VALUE
The copied UUID is returned in the location pointed to by
.IR dst .
.SH AUTHOR
Theodore Y. Ts'o
.SH AVAILABILITY
.UR http://e2fsprogs.sourceforge.net/
http://e2fsprogs.sourceforge.net/
.UE
.SH "SEE ALSO"
.BR uuid (3),
.BR uuid_clear (3),
.BR uuid_compare (3),
.BR uuid_generate (3),
.BR uuid_is_null (3),
.BR uuid_parse (3),
.BR uuid_unparse (3)

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shlibs/uuid/man/uuid_generate.3 Normal file
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@ -0,0 +1,104 @@
.\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca)
.\"
.\" %Begin-Header%
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, and the entire permission notice in its entirety,
.\" including the disclaimer of warranties.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\" products derived from this software without specific prior
.\" written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
.\" WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
.\" USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
.\" DAMAGE.
.\" %End-Header%
.\"
.\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger
.TH UUID_GENERATE 3 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
uuid_generate, uuid_generate_random, uuid_generate_time \- create a new unique UUID value
.SH SYNOPSIS
.nf
.B #include <uuid/uuid.h>
.sp
.BI "void uuid_generate(uuid_t " out );
.BI "void uuid_generate_random(uuid_t " out );
.BI "void uuid_generate_time(uuid_t " out );
.fi
.SH DESCRIPTION
The
.B uuid_generate
function creates a new universally unique identifier (UUID). The uuid will
be generated based on high-quality randomness from
.IR /dev/urandom ,
if available. If it is not available, then
.B uuid_generate
will use an alternative algorithm which uses the current time, the
local ethernet MAC address (if available), and random data generated
using a pseudo-random generator.
.sp
The
.B uuid_generate_random
function forces the use of the all-random UUID format, even if
a high-quality random number generator (i.e.,
.IR /dev/urandom )
is not available, in which case a pseudo-random
generator will be subsituted. Note that the use of a pseudo-random
generator may compromise the uniqueness of UUID's
generated in this fashion.
.sp
The
.B uuid_generate_time
function forces the use of the alternative algorithm which uses the
current time and the local ethernet MAC address (if available).
This algorithm used to be the default one used to generate UUID, but
because of the use of the ethernet MAC address, it can leak
information about when and where the UUID was generated. This can cause
privacy problems in some applications, so the
.B uuid_generate
function only uses this algorithm if a high-quality source of
randomness is not available.
.sp
The UUID is 16 bytes (128 bits) long, which gives approximately 3.4x10^38
unique values (there are approximately 10^80 elemntary particles in
the universe according to Carl Sagan's
.IR Cosmos ).
The new UUID can reasonably be considered unique among all UUIDs created
on the local system, and among UUIDs created on other systems in the past
and in the future.
.SH RETURN VALUE
The newly created UUID is returned in the memory location pointed to by
.IR out .
.SH "CONFORMING TO"
OSF DCE 1.1
.SH AUTHOR
Theodore Y. Ts'o
.SH AVAILABILITY
.UR http://e2fsprogs.sourceforge.net/
http://e2fsprogs.sourceforge.net/
.UE
.SH "SEE ALSO"
.BR uuid (3),
.BR uuidgen (1),
.BR uuid_clear (3),
.BR uuid_compare (3),
.BR uuid_copy (3),
.BR uuid_is_null (3),
.BR uuid_parse (3),
.BR uuid_time (3),
.BR uuid_unparse (3)

62
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@ -0,0 +1,62 @@
.\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca)
.\"
.\" %Begin-Header%
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, and the entire permission notice in its entirety,
.\" including the disclaimer of warranties.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\" products derived from this software without specific prior
.\" written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
.\" WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
.\" USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
.\" DAMAGE.
.\" %End-Header%
.\"
.\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger
.TH UUID_IS_NULL 3 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
uuid_is_null \- compare the value of the UUID to the NULL value
.SH SYNOPSIS
.nf
.B #include <uuid/uuid.h>
.sp
.BI "int uuid_is_null(uuid_t " uu );
.fi
.SH DESCRIPTION
The
.B uuid_is_null
function compares the value of the supplied UUID variable
.I uu
to the NULL value. If the value is equal to the NULL UUID, 1 is returned,
otherwise 0 is returned.
.SH AUTHOR
Theodore Y. Ts'o
.SH AVAILABILITY
.UR http://e2fsprogs.sourceforge.net/
http://e2fsprogs.sourceforge.net/
.UE
.SH "SEE ALSO"
.BR uuid (3),
.BR uuid_clear (3),
.BR uuid_compare (3),
.BR uuid_copy (3),
.BR uuid_generate (3),
.BR uuid_time (3),
.BR uuid_parse (3),
.BR uuid_unparse (3)

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@ -0,0 +1,71 @@
.\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca)
.\"
.\" %Begin-Header%
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, and the entire permission notice in its entirety,
.\" including the disclaimer of warranties.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\" products derived from this software without specific prior
.\" written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
.\" WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
.\" USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
.\" DAMAGE.
.\" %End-Header%
.\"
.\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger
.TH UUID_PARSE 3 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
uuid_parse \- convert an input UUID string into binary representation
.SH SYNOPSIS
.nf
.B #include <uuid/uuid.h>
.sp
.BI "int uuid_parse( char *" in ", uuid_t " uu );
.fi
.SH DESCRIPTION
The
.B uuid_parse
function converts the UUID string given by
.I in
into the binary representation. The input UUID is a string of the form
1b4e28ba\-2fa1\-11d2\-883f\-b9a761bde3fb (in
.BR printf (3)
format "%08x\-%04x\-%04x\-%04x\-%012x", 36 bytes plus the trailing '\\0').
.SH RETURN VALUE
Upon successfully parsing the input string, 0 is returned, and the UUID is
stored in the location pointed to by
.IR uu ,
otherwise \-1 is returned.
.SH "CONFORMING TO"
OSF DCE 1.1
.SH AUTHOR
Theodore Y. Ts'o
.SH AVAILABILITY
.UR http://e2fsprogs.sourceforge.net/
http://e2fsprogs.sourceforge.net/
.UE
.SH "SEE ALSO"
.BR uuid (3),
.BR uuid_clear (3),
.BR uuid_compare (3),
.BR uuid_copy (3),
.BR uuid_generate (3),
.BR uuid_is_null (3),
.BR uuid_time (3),
.BR uuid_unparse (3)

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.\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca)
.\"
.\" %Begin-Header%
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, and the entire permission notice in its entirety,
.\" including the disclaimer of warranties.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\" products derived from this software without specific prior
.\" written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
.\" WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
.\" USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
.\" DAMAGE.
.\" %End-Header%
.\"
.\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger
.TH UUID_TIME 3 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
uuid_time \- extract the time at which the UUID was created
.SH SYNOPSIS
.nf
.B #include <uuid/uuid.h>
.sp
.BI "time_t uuid_time(uuid_t " uu ", struct timeval *" ret_tv )
.fi
.SH DESCRIPTION
The
.B uuid_time
function extracts the time at which the supplied time-based UUID
.I uu
was created. Note that the UUID creation time is only encoded within
certain types of UUIDs. This function can only reasonably expect to
extract the creation time for UUIDs created with the
.BR uuid_generate_time (3)
function. It may or may not work with UUIDs created by other mechanisms.
.SH "RETURN VALUES"
The time at which the UUID was created, in seconds since January 1, 1970 GMT
(the epoch), is returned (see
.BR time "(2))."
The time at which the UUID was created, in seconds and microseconds since
the epoch, is also stored in the location pointed to by
.I ret_tv
(see
.BR gettimeofday "(2))."
.SH AUTHOR
Theodore Y. Ts'o
.SH AVAILABILITY
.UR http://e2fsprogs.sourceforge.net/
http://e2fsprogs.sourceforge.net/
.UE
.SH "SEE ALSO"
.BR uuid (3),
.BR uuid_clear (3),
.BR uuid_compare (3),
.BR uuid_copy (3),
.BR uuid_generate (3),
.BR uuid_is_null (3),
.BR uuid_parse (3),
.BR uuid_unparse (3)

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.\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca)
.\"
.\" %Begin-Header%
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, and the entire permission notice in its entirety,
.\" including the disclaimer of warranties.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\" products derived from this software without specific prior
.\" written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
.\" WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
.\" USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
.\" DAMAGE.
.\" %End-Header%
.\"
.\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger
.TH UUID_UNPARSE 3 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
uuid_unparse \- convert an UUID from binary representation to a string
.SH SYNOPSIS
.nf
.B #include <uuid/uuid.h>
.sp
.BI "void uuid_unparse(uuid_t " uu ", char *" out );
.BI "void uuid_unparse_upper(uuid_t " uu ", char *" out );
.BI "void uuid_unparse_lower(uuid_t " uu ", char *" out );
.fi
.SH DESCRIPTION
The
.B uuid_unparse
function converts the supplied UUID
.I uu
from the binary representation into a 36\-byte string (plus tailing '\\0')
of the form 1b4e28ba\-2fa1\-11d2\-883f\-0016d3cca427 and stores this
value in the character string pointed to by
.IR out .
The case of the hex digits returned by
.B uuid_unparse
may be upper or lower case, and is
dependent on the system-dependent local default.
.PP
If the case of the
hex digits is important then the functions
.B uuid_unparse_upper
and
.B uuid_unparse_lower
may be used.
.SH "CONFORMING TO"
OSF DCE 1.1
.SH AUTHOR
Theodore Y. Ts'o
.SH AVAILABILITY
.UR http://e2fsprogs.sourceforge.net/
http://e2fsprogs.sourceforge.net/
.UE
.SH "SEE ALSO"
.BR uuid (3),
.BR uuid_clear (3),
.BR uuid_compare (3),
.BR uuid_copy (3),
.BR uuid_generate (3),
.BR uuid_time (3),
.BR uuid_is_null (3),
.BR uuid_parse (3)

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include $(top_srcdir)/config/include-Makefile.am
AM_CPPFLAGS += -I$(ul_libuuid_srcdir)
noinst_PROGRAMS = tst_uuid
tst_uuid_LDADD = $(ul_libuuid_la)
tst_uuid_CFLAGS = -I$(ul_libuuid_srcdir)
# includes
uuidincdir = $(includedir)/uuid
uuidinc_HEADERS = uuid.h
lib_LTLIBRARIES = libuuid.la
libuuid_la_SOURCES = clear.c compare.c copy.c gen_uuid.c \
isnull.c pack.c parse.c unpack.c unparse.c uuidd.h \
uuid.h uuidP.h uuid_time.c $(uuidinc_HEADERS)
libuuid_la_DEPENDENCIES = $(libuuid_la_LIBADD) uuid.sym
libuuid_la_LDFLAGS = -Wl,--version-script=$(ul_libuuid_srcdir)/uuid.sym \
-version-info 1:0:0
#tests = test_uuid_time
EXTRA_DIST = uuid.sym gen_uuid_nt.c
CLEANFILES = $(tests)
tests: all $(tests)
test_%: %.c
$(COMPILE) -DTEST_PROGRAM $< .libs/libuuid.a -o $@

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/*
* clear.c -- Clear a UUID
*
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#include "string.h"
#include "uuidP.h"
void uuid_clear(uuid_t uu)
{
memset(uu, 0, 16);
}

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/*
* compare.c --- compare whether or not two UUID's are the same
*
* Returns 0 if the two UUID's are different, and 1 if they are the same.
*
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#include "uuidP.h"
#include <string.h>
#define UUCMP(u1,u2) if (u1 != u2) return((u1 < u2) ? -1 : 1);
int uuid_compare(const uuid_t uu1, const uuid_t uu2)
{
struct uuid uuid1, uuid2;
uuid_unpack(uu1, &uuid1);
uuid_unpack(uu2, &uuid2);
UUCMP(uuid1.time_low, uuid2.time_low);
UUCMP(uuid1.time_mid, uuid2.time_mid);
UUCMP(uuid1.time_hi_and_version, uuid2.time_hi_and_version);
UUCMP(uuid1.clock_seq, uuid2.clock_seq);
return memcmp(uuid1.node, uuid2.node, 6);
}

45
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/*
* copy.c --- copy UUIDs
*
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#include "uuidP.h"
void uuid_copy(uuid_t dst, const uuid_t src)
{
unsigned char *cp1;
const unsigned char *cp2;
int i;
for (i=0, cp1 = dst, cp2 = src; i < 16; i++)
*cp1++ = *cp2++;
}

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/*
* gen_uuid.c --- generate a DCE-compatible uuid
*
* Copyright (C) 1996, 1997, 1998, 1999 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
/*
* Force inclusion of SVID stuff since we need it if we're compiling in
* gcc-wall wall mode
*/
#define _SVID_SOURCE
#ifdef _WIN32
#define _WIN32_WINNT 0x0500
#include <windows.h>
#define UUID MYUUID
#endif
#include <stdio.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/types.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/wait.h>
#include <sys/stat.h>
#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h>
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NET_IF_DL_H
#include <net/if_dl.h>
#endif
#if defined(__linux__) && defined(HAVE_SYS_SYSCALL_H)
#include <sys/syscall.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#include "uuidP.h"
#include "uuidd.h"
#ifdef HAVE_SRANDOM
#define srand(x) srandom(x)
#define rand() random()
#endif
#ifdef TLS
#define THREAD_LOCAL static TLS
#else
#define THREAD_LOCAL static
#endif
#if defined(__linux__) && defined(__NR_gettid) && defined(HAVE_JRAND48)
#define DO_JRAND_MIX
THREAD_LOCAL unsigned short jrand_seed[3];
#endif
#ifdef _WIN32
static void gettimeofday (struct timeval *tv, void *dummy)
{
FILETIME ftime;
uint64_t n;
GetSystemTimeAsFileTime (&ftime);
n = (((uint64_t) ftime.dwHighDateTime << 32)
+ (uint64_t) ftime.dwLowDateTime);
if (n) {
n /= 10;
n -= ((369 * 365 + 89) * (uint64_t) 86400) * 1000000;
}
tv->tv_sec = n / 1000000;
tv->tv_usec = n % 1000000;
}
static int getuid (void)
{
return 1;
}
#endif
static int get_random_fd(void)
{
struct timeval tv;
static int fd = -2;
int i;
if (fd == -2) {
gettimeofday(&tv, 0);
#ifndef _WIN32
fd = open("/dev/urandom", O_RDONLY);
if (fd == -1)
fd = open("/dev/random", O_RDONLY | O_NONBLOCK);
if (fd >= 0) {
i = fcntl(fd, F_GETFD);
if (i >= 0)
fcntl(fd, F_SETFD, i | FD_CLOEXEC);
}
#endif
srand((getpid() << 16) ^ getuid() ^ tv.tv_sec ^ tv.tv_usec);
#ifdef DO_JRAND_MIX
jrand_seed[0] = getpid() ^ (tv.tv_sec & 0xFFFF);
jrand_seed[1] = getppid() ^ (tv.tv_usec & 0xFFFF);
jrand_seed[2] = (tv.tv_sec ^ tv.tv_usec) >> 16;
#endif
}
/* Crank the random number generator a few times */
gettimeofday(&tv, 0);
for (i = (tv.tv_sec ^ tv.tv_usec) & 0x1F; i > 0; i--)
rand();
return fd;
}
/*
* Generate a series of random bytes. Use /dev/urandom if possible,
* and if not, use srandom/random.
*/
static void get_random_bytes(void *buf, int nbytes)
{
int i, n = nbytes, fd = get_random_fd();
int lose_counter = 0;
unsigned char *cp = (unsigned char *) buf;
unsigned short tmp_seed[3];
if (fd >= 0) {
while (n > 0) {
i = read(fd, cp, n);
if (i <= 0) {
if (lose_counter++ > 16)
break;
continue;
}
n -= i;
cp += i;
lose_counter = 0;
}
}
/*
* We do this all the time, but this is the only source of
* randomness if /dev/random/urandom is out to lunch.
*/
for (cp = buf, i = 0; i < nbytes; i++)
*cp++ ^= (rand() >> 7) & 0xFF;
#ifdef DO_JRAND_MIX
memcpy(tmp_seed, jrand_seed, sizeof(tmp_seed));
jrand_seed[2] = jrand_seed[2] ^ syscall(__NR_gettid);
for (cp = buf, i = 0; i < nbytes; i++)
*cp++ ^= (jrand48(tmp_seed) >> 7) & 0xFF;
memcpy(jrand_seed, tmp_seed,
sizeof(jrand_seed)-sizeof(unsigned short));
#endif
return;
}
/*
* Get the ethernet hardware address, if we can find it...
*
* XXX for a windows version, probably should use GetAdaptersInfo:
* http://www.codeguru.com/cpp/i-n/network/networkinformation/article.php/c5451
* commenting out get_node_id just to get gen_uuid to compile under windows
* is not the right way to go!
*/
static int get_node_id(unsigned char *node_id)
{
#ifdef HAVE_NET_IF_H
int sd;
struct ifreq ifr, *ifrp;
struct ifconf ifc;
char buf[1024];
int n, i;
unsigned char *a;
#ifdef HAVE_NET_IF_DL_H
struct sockaddr_dl *sdlp;
#endif
/*
* BSD 4.4 defines the size of an ifreq to be
* max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len
* However, under earlier systems, sa_len isn't present, so the size is
* just sizeof(struct ifreq)
*/
#ifdef HAVE_SA_LEN
#ifndef max
#define max(a,b) ((a) > (b) ? (a) : (b))
#endif
#define ifreq_size(i) max(sizeof(struct ifreq),\
sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
#else
#define ifreq_size(i) sizeof(struct ifreq)
#endif /* HAVE_SA_LEN*/
sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
if (sd < 0) {
return -1;
}
memset(buf, 0, sizeof(buf));
ifc.ifc_len = sizeof(buf);
ifc.ifc_buf = buf;
if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0) {
close(sd);
return -1;
}
n = ifc.ifc_len;
for (i = 0; i < n; i+= ifreq_size(*ifrp) ) {
ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i);
strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ);
#ifdef SIOCGIFHWADDR
if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0)
continue;
a = (unsigned char *) &ifr.ifr_hwaddr.sa_data;
#else
#ifdef SIOCGENADDR
if (ioctl(sd, SIOCGENADDR, &ifr) < 0)
continue;
a = (unsigned char *) ifr.ifr_enaddr;
#else
#ifdef HAVE_NET_IF_DL_H
sdlp = (struct sockaddr_dl *) &ifrp->ifr_addr;
if ((sdlp->sdl_family != AF_LINK) || (sdlp->sdl_alen != 6))
continue;
a = (unsigned char *) &sdlp->sdl_data[sdlp->sdl_nlen];
#else
/*
* XXX we don't have a way of getting the hardware
* address
*/
close(sd);
return 0;
#endif /* HAVE_NET_IF_DL_H */
#endif /* SIOCGENADDR */
#endif /* SIOCGIFHWADDR */
if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5])
continue;
if (node_id) {
memcpy(node_id, a, 6);
close(sd);
return 1;
}
}
close(sd);
#endif
return 0;
}
/* Assume that the gettimeofday() has microsecond granularity */
#define MAX_ADJUSTMENT 10
static int get_clock(uint32_t *clock_high, uint32_t *clock_low,
uint16_t *ret_clock_seq, int *num)
{
THREAD_LOCAL int adjustment = 0;
THREAD_LOCAL struct timeval last = {0, 0};
THREAD_LOCAL int state_fd = -2;
THREAD_LOCAL FILE *state_f;
THREAD_LOCAL uint16_t clock_seq;
struct timeval tv;
struct flock fl;
uint64_t clock_reg;
mode_t save_umask;
int len;
if (state_fd == -2) {
save_umask = umask(0);
state_fd = open("/var/lib/libuuid/clock.txt",
O_RDWR|O_CREAT, 0660);
(void) umask(save_umask);
state_f = fdopen(state_fd, "r+");
if (!state_f) {
close(state_fd);
state_fd = -1;
}
}
fl.l_type = F_WRLCK;
fl.l_whence = SEEK_SET;
fl.l_start = 0;
fl.l_len = 0;
fl.l_pid = 0;
if (state_fd >= 0) {
rewind(state_f);
while (fcntl(state_fd, F_SETLKW, &fl) < 0) {
if ((errno == EAGAIN) || (errno == EINTR))
continue;
fclose(state_f);
close(state_fd);
state_fd = -1;
break;
}
}
if (state_fd >= 0) {
unsigned int cl;
unsigned long tv1, tv2;
int a;
if (fscanf(state_f, "clock: %04x tv: %lu %lu adj: %d\n",
&cl, &tv1, &tv2, &a) == 4) {
clock_seq = cl & 0x3FFF;
last.tv_sec = tv1;
last.tv_usec = tv2;
adjustment = a;
}
}
if ((last.tv_sec == 0) && (last.tv_usec == 0)) {
get_random_bytes(&clock_seq, sizeof(clock_seq));
clock_seq &= 0x3FFF;
gettimeofday(&last, 0);
last.tv_sec--;
}
try_again:
gettimeofday(&tv, 0);
if ((tv.tv_sec < last.tv_sec) ||
((tv.tv_sec == last.tv_sec) &&
(tv.tv_usec < last.tv_usec))) {
clock_seq = (clock_seq+1) & 0x3FFF;
adjustment = 0;
last = tv;
} else if ((tv.tv_sec == last.tv_sec) &&
(tv.tv_usec == last.tv_usec)) {
if (adjustment >= MAX_ADJUSTMENT)
goto try_again;
adjustment++;
} else {
adjustment = 0;
last = tv;
}
clock_reg = tv.tv_usec*10 + adjustment;
clock_reg += ((uint64_t) tv.tv_sec)*10000000;
clock_reg += (((uint64_t) 0x01B21DD2) << 32) + 0x13814000;
if (num && (*num > 1)) {
adjustment += *num - 1;
last.tv_usec += adjustment / 10;
adjustment = adjustment % 10;
last.tv_sec += last.tv_usec / 1000000;
last.tv_usec = last.tv_usec % 1000000;
}
if (state_fd > 0) {
rewind(state_f);
len = fprintf(state_f,
"clock: %04x tv: %016lu %08lu adj: %08d\n",
clock_seq, last.tv_sec, last.tv_usec, adjustment);
fflush(state_f);
if (ftruncate(state_fd, len) < 0) {
fprintf(state_f, " \n");
fflush(state_f);
}
rewind(state_f);
fl.l_type = F_UNLCK;
fcntl(state_fd, F_SETLK, &fl);
}
*clock_high = clock_reg >> 32;
*clock_low = clock_reg;
*ret_clock_seq = clock_seq;
return 0;
}
static ssize_t read_all(int fd, char *buf, size_t count)
{
ssize_t ret;
ssize_t c = 0;
memset(buf, 0, count);
while (count > 0) {
ret = read(fd, buf, count);
if (ret < 0) {
if ((errno == EAGAIN) || (errno == EINTR))
continue;
return -1;
}
count -= ret;
buf += ret;
c += ret;
}
return c;
}
/*
* Close all file descriptors
*/
static void close_all_fds(void)
{
int i, max;
#if defined(HAVE_SYSCONF) && defined(_SC_OPEN_MAX)
max = sysconf(_SC_OPEN_MAX);
#elif defined(HAVE_GETDTABLESIZE)
max = getdtablesize();
#elif defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE)
struct rlimit rl;
getrlimit(RLIMIT_NOFILE, &rl);
max = rl.rlim_cur;
#else
max = OPEN_MAX;
#endif
for (i=0; i < max; i++)
close(i);
}
/*
* Try using the uuidd daemon to generate the UUID
*
* Returns 0 on success, non-zero on failure.
*/
static int get_uuid_via_daemon(int op, uuid_t out, int *num)
{
#if defined(USE_UUIDD) && defined(HAVE_SYS_UN_H)
char op_buf[64];
int op_len;
int s;
ssize_t ret;
int32_t reply_len = 0, expected = 16;
struct sockaddr_un srv_addr;
pid_t pid;
static const char *uuidd_path = UUIDD_PATH;
static int access_ret = -2;
static int start_attempts = 0;
if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
return -1;
srv_addr.sun_family = AF_UNIX;
strcpy(srv_addr.sun_path, UUIDD_SOCKET_PATH);
if (connect(s, (const struct sockaddr *) &srv_addr,
sizeof(struct sockaddr_un)) < 0) {
if (access_ret == -2)
access_ret = access(uuidd_path, X_OK);
if (access_ret == 0 && start_attempts++ < 5) {
if ((pid = fork()) == 0) {
close_all_fds();
execl(uuidd_path, "uuidd", "-qT", "300",
(char *) NULL);
exit(1);
}
(void) waitpid(pid, 0, 0);
if (connect(s, (const struct sockaddr *) &srv_addr,
sizeof(struct sockaddr_un)) < 0)
goto fail;
} else
goto fail;
}
op_buf[0] = op;
op_len = 1;
if (op == UUIDD_OP_BULK_TIME_UUID) {
memcpy(op_buf+1, num, sizeof(*num));
op_len += sizeof(*num);
expected += sizeof(*num);
}
ret = write(s, op_buf, op_len);
if (ret < 1)
goto fail;
ret = read_all(s, (char *) &reply_len, sizeof(reply_len));
if (ret < 0)
goto fail;
if (reply_len != expected)
goto fail;
ret = read_all(s, op_buf, reply_len);
if (op == UUIDD_OP_BULK_TIME_UUID)
memcpy(op_buf+16, num, sizeof(int));
memcpy(out, op_buf, 16);
close(s);
return ((ret == expected) ? 0 : -1);
fail:
close(s);
#endif
return -1;
}
void uuid__generate_time(uuid_t out, int *num)
{
static unsigned char node_id[6];
static int has_init = 0;
struct uuid uu;
uint32_t clock_mid;
if (!has_init) {
if (get_node_id(node_id) <= 0) {
get_random_bytes(node_id, 6);
/*
* Set multicast bit, to prevent conflicts
* with IEEE 802 addresses obtained from
* network cards
*/
node_id[0] |= 0x01;
}
has_init = 1;
}
get_clock(&clock_mid, &uu.time_low, &uu.clock_seq, num);
uu.clock_seq |= 0x8000;
uu.time_mid = (uint16_t) clock_mid;
uu.time_hi_and_version = ((clock_mid >> 16) & 0x0FFF) | 0x1000;
memcpy(uu.node, node_id, 6);
uuid_pack(&uu, out);
}
void uuid_generate_time(uuid_t out)
{
#ifdef TLS
THREAD_LOCAL int num = 0;
THREAD_LOCAL struct uuid uu;
THREAD_LOCAL time_t last_time = 0;
time_t now;
if (num > 0) {
now = time(0);
if (now > last_time+1)
num = 0;
}
if (num <= 0) {
num = 1000;
if (get_uuid_via_daemon(UUIDD_OP_BULK_TIME_UUID,
out, &num) == 0) {
last_time = time(0);
uuid_unpack(out, &uu);
num--;
return;
}
num = 0;
}
if (num > 0) {
uu.time_low++;
if (uu.time_low == 0) {
uu.time_mid++;
if (uu.time_mid == 0)
uu.time_hi_and_version++;
}
num--;
uuid_pack(&uu, out);
return;
}
#else
if (get_uuid_via_daemon(UUIDD_OP_TIME_UUID, out, 0) == 0)
return;
#endif
uuid__generate_time(out, 0);
}
void uuid__generate_random(uuid_t out, int *num)
{
uuid_t buf;
struct uuid uu;
int i, n;
if (!num || !*num)
n = 1;
else
n = *num;
for (i = 0; i < n; i++) {
get_random_bytes(buf, sizeof(buf));
uuid_unpack(buf, &uu);
uu.clock_seq = (uu.clock_seq & 0x3FFF) | 0x8000;
uu.time_hi_and_version = (uu.time_hi_and_version & 0x0FFF)
| 0x4000;
uuid_pack(&uu, out);
out += sizeof(uuid_t);
}
}
void uuid_generate_random(uuid_t out)
{
int num = 1;
/* No real reason to use the daemon for random uuid's -- yet */
uuid__generate_random(out, &num);
}
/*
* This is the generic front-end to uuid_generate_random and
* uuid_generate_time. It uses uuid_generate_random only if
* /dev/urandom is available, since otherwise we won't have
* high-quality randomness.
*/
void uuid_generate(uuid_t out)
{
if (get_random_fd() >= 0)
uuid_generate_random(out);
else
uuid_generate_time(out);
}

92
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/*
* gen_uuid_nt.c -- Use NT api to generate uuid
*
* Written by Andrey Shedel (andreys@ns.cr.cyco.com)
*/
#include "uuidP.h"
#pragma warning(push,4)
#pragma comment(lib, "ntdll.lib")
//
// Here is a nice example why it's not a good idea
// to use native API in ordinary applications.
// Number of parameters in function below was changed from 3 to 4
// for NT5.
//
//
// NTSYSAPI
// NTSTATUS
// NTAPI
// NtAllocateUuids(
// OUT PULONG p1,
// OUT PULONG p2,
// OUT PULONG p3,
// OUT PUCHAR Seed // 6 bytes
// );
//
//
unsigned long
__stdcall
NtAllocateUuids(
void* p1, // 8 bytes
void* p2, // 4 bytes
void* p3 // 4 bytes
);
typedef
unsigned long
(__stdcall*
NtAllocateUuids_2000)(
void* p1, // 8 bytes
void* p2, // 4 bytes
void* p3, // 4 bytes
void* seed // 6 bytes
);
//
// Nice, but instead of including ntddk.h ot winnt.h
// I should define it here because they MISSED __stdcall in those headers.
//
__declspec(dllimport)
struct _TEB*
__stdcall
NtCurrentTeb(void);
//
// The only way to get version information from the system is to examine
// one stored in PEB. But it's pretty dangerouse because this value could
// be altered in image header.
//
static
int
Nt5(void)
{
//return NtCuttentTeb()->Peb->OSMajorVersion >= 5;
return (int)*(int*)((char*)(int)(*(int*)((char*)NtCurrentTeb() + 0x30)) + 0xA4) >= 5;
}
void uuid_generate(uuid_t out)
{
if(Nt5())
{
unsigned char seed[6];
((NtAllocateUuids_2000)NtAllocateUuids)(out, ((char*)out)+8, ((char*)out)+12, &seed[0] );
}
else
{
NtAllocateUuids(out, ((char*)out)+8, ((char*)out)+12);
}
}

48
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/*
* isnull.c --- Check whether or not the UUID is null
*
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#include "uuidP.h"
/* Returns 1 if the uuid is the NULL uuid */
int uuid_is_null(const uuid_t uu)
{
const unsigned char *cp;
int i;
for (i=0, cp = uu; i < 16; i++)
if (*cp++)
return 0;
return 1;
}

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/*
* Internal routine for packing UUID's
*
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#include <string.h>
#include "uuidP.h"
void uuid_pack(const struct uuid *uu, uuid_t ptr)
{
uint32_t tmp;
unsigned char *out = ptr;
tmp = uu->time_low;
out[3] = (unsigned char) tmp;
tmp >>= 8;
out[2] = (unsigned char) tmp;
tmp >>= 8;
out[1] = (unsigned char) tmp;
tmp >>= 8;
out[0] = (unsigned char) tmp;
tmp = uu->time_mid;
out[5] = (unsigned char) tmp;
tmp >>= 8;
out[4] = (unsigned char) tmp;
tmp = uu->time_hi_and_version;
out[7] = (unsigned char) tmp;
tmp >>= 8;
out[6] = (unsigned char) tmp;
tmp = uu->clock_seq;
out[9] = (unsigned char) tmp;
tmp >>= 8;
out[8] = (unsigned char) tmp;
memcpy(out+10, uu->node, 6);
}

79
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/*
* parse.c --- UUID parsing
*
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "uuidP.h"
int uuid_parse(const char *in, uuid_t uu)
{
struct uuid uuid;
int i;
const char *cp;
char buf[3];
if (strlen(in) != 36)
return -1;
for (i=0, cp = in; i <= 36; i++,cp++) {
if ((i == 8) || (i == 13) || (i == 18) ||
(i == 23)) {
if (*cp == '-')
continue;
else
return -1;
}
if (i== 36)
if (*cp == 0)
continue;
if (!isxdigit(*cp))
return -1;
}
uuid.time_low = strtoul(in, NULL, 16);
uuid.time_mid = strtoul(in+9, NULL, 16);
uuid.time_hi_and_version = strtoul(in+14, NULL, 16);
uuid.clock_seq = strtoul(in+19, NULL, 16);
cp = in+24;
buf[2] = 0;
for (i=0; i < 6; i++) {
buf[0] = *cp++;
buf[1] = *cp++;
uuid.node[i] = strtoul(buf, NULL, 16);
}
uuid_pack(&uuid, uu);
return 0;
}

180
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/*
* tst_uuid.c --- test program from the UUID library
*
* Copyright (C) 1996, 1997, 1998 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#ifdef _WIN32
#define _WIN32_WINNT 0x0500
#include <windows.h>
#define UUID MYUUID
#endif
#include <stdio.h>
#include <stdlib.h>
#include "uuid.h"
static int test_uuid(const char * uuid, int isValid)
{
static const char * validStr[2] = {"invalid", "valid"};
uuid_t uuidBits;
int parsedOk;
parsedOk = uuid_parse(uuid, uuidBits) == 0;
printf("%s is %s", uuid, validStr[isValid]);
if (parsedOk != isValid) {
printf(" but uuid_parse says %s\n", validStr[parsedOk]);
return 1;
}
printf(", OK\n");
return 0;
}
#ifdef __GNUC__
#define ATTR(x) __attribute__(x)
#else
#define ATTR(x)
#endif
int
main(int argc ATTR((unused)) , char **argv ATTR((unused)))
{
uuid_t buf, tst;
char str[100];
struct timeval tv;
time_t time_reg;
unsigned char *cp;
int i;
int failed = 0;
int type, variant;
uuid_generate(buf);
uuid_unparse(buf, str);
printf("UUID generate = %s\n", str);
printf("UUID: ");
for (i=0, cp = (unsigned char *) &buf; i < 16; i++) {
printf("%02x", *cp++);
}
printf("\n");
type = uuid_type(buf); variant = uuid_variant(buf);
printf("UUID type = %d, UUID variant = %d\n", type, variant);
if (variant != UUID_VARIANT_DCE) {
printf("Incorrect UUID Variant; was expecting DCE!\n");
failed++;
}
printf("\n");
uuid_generate_random(buf);
uuid_unparse(buf, str);
printf("UUID random string = %s\n", str);
printf("UUID: ");
for (i=0, cp = (unsigned char *) &buf; i < 16; i++) {
printf("%02x", *cp++);
}
printf("\n");
type = uuid_type(buf); variant = uuid_variant(buf);
printf("UUID type = %d, UUID variant = %d\n", type, variant);
if (variant != UUID_VARIANT_DCE) {
printf("Incorrect UUID Variant; was expecting DCE!\n");
failed++;
}
if (type != 4) {
printf("Incorrect UUID type; was expecting "
"4 (random type)!\n");
failed++;
}
printf("\n");
uuid_generate_time(buf);
uuid_unparse(buf, str);
printf("UUID string = %s\n", str);
printf("UUID time: ");
for (i=0, cp = (unsigned char *) &buf; i < 16; i++) {
printf("%02x", *cp++);
}
printf("\n");
type = uuid_type(buf); variant = uuid_variant(buf);
printf("UUID type = %d, UUID variant = %d\n", type, variant);
if (variant != UUID_VARIANT_DCE) {
printf("Incorrect UUID Variant; was expecting DCE!\n");
failed++;
}
if (type != 1) {
printf("Incorrect UUID type; was expecting "
"1 (time-based type)!\\n");
failed++;
}
tv.tv_sec = 0;
tv.tv_usec = 0;
time_reg = uuid_time(buf, &tv);
printf("UUID time is: (%ld, %ld): %s\n", tv.tv_sec, tv.tv_usec,
ctime(&time_reg));
uuid_parse(str, tst);
if (!uuid_compare(buf, tst))
printf("UUID parse and compare succeeded.\n");
else {
printf("UUID parse and compare failed!\n");
failed++;
}
uuid_clear(tst);
if (uuid_is_null(tst))
printf("UUID clear and is null succeeded.\n");
else {
printf("UUID clear and is null failed!\n");
failed++;
}
uuid_copy(buf, tst);
if (!uuid_compare(buf, tst))
printf("UUID copy and compare succeeded.\n");
else {
printf("UUID copy and compare failed!\n");
failed++;
}
failed += test_uuid("84949cc5-4701-4a84-895b-354c584a981b", 1);
failed += test_uuid("84949CC5-4701-4A84-895B-354C584A981B", 1);
failed += test_uuid("84949cc5-4701-4a84-895b-354c584a981bc", 0);
failed += test_uuid("84949cc5-4701-4a84-895b-354c584a981", 0);
failed += test_uuid("84949cc5x4701-4a84-895b-354c584a981b", 0);
failed += test_uuid("84949cc504701-4a84-895b-354c584a981b", 0);
failed += test_uuid("84949cc5-470104a84-895b-354c584a981b", 0);
failed += test_uuid("84949cc5-4701-4a840895b-354c584a981b", 0);
failed += test_uuid("84949cc5-4701-4a84-895b0354c584a981b", 0);
failed += test_uuid("g4949cc5-4701-4a84-895b-354c584a981b", 0);
failed += test_uuid("84949cc5-4701-4a84-895b-354c584a981g", 0);
if (failed) {
printf("%d failures.\n", failed);
exit(1);
}
return 0;
}

63
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/*
* Internal routine for unpacking UUID
*
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#include <string.h>
#include "uuidP.h"
void uuid_unpack(const uuid_t in, struct uuid *uu)
{
const uint8_t *ptr = in;
uint32_t tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
tmp = (tmp << 8) | *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->time_low = tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->time_mid = tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->time_hi_and_version = tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->clock_seq = tmp;
memcpy(uu->node, ptr, 6);
}

76
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/*
* unparse.c -- convert a UUID to string
*
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#include <stdio.h>
#include "uuidP.h"
static const char *fmt_lower =
"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x";
static const char *fmt_upper =
"%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X";
#ifdef UUID_UNPARSE_DEFAULT_UPPER
#define FMT_DEFAULT fmt_upper
#else
#define FMT_DEFAULT fmt_lower
#endif
static void uuid_unparse_x(const uuid_t uu, char *out, const char *fmt)
{
struct uuid uuid;
uuid_unpack(uu, &uuid);
sprintf(out, fmt,
uuid.time_low, uuid.time_mid, uuid.time_hi_and_version,
uuid.clock_seq >> 8, uuid.clock_seq & 0xFF,
uuid.node[0], uuid.node[1], uuid.node[2],
uuid.node[3], uuid.node[4], uuid.node[5]);
}
void uuid_unparse_lower(const uuid_t uu, char *out)
{
uuid_unparse_x(uu, out, fmt_lower);
}
void uuid_unparse_upper(const uuid_t uu, char *out)
{
uuid_unparse_x(uu, out, fmt_upper);
}
void uuid_unparse(const uuid_t uu, char *out)
{
uuid_unparse_x(uu, out, FMT_DEFAULT);
}

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/*
* Public include file for the UUID library
*
* Copyright (C) 1996, 1997, 1998 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#ifndef _UUID_UUID_H
#define _UUID_UUID_H
#include <sys/types.h>
#ifndef _WIN32
#include <sys/time.h>
#endif
#include <time.h>
typedef unsigned char uuid_t[16];
/* UUID Variant definitions */
#define UUID_VARIANT_NCS 0
#define UUID_VARIANT_DCE 1
#define UUID_VARIANT_MICROSOFT 2
#define UUID_VARIANT_OTHER 3
/* UUID Type definitions */
#define UUID_TYPE_DCE_TIME 1
#define UUID_TYPE_DCE_RANDOM 4
/* Allow UUID constants to be defined */
#ifdef __GNUC__
#define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \
static const uuid_t name __attribute__ ((unused)) = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15}
#else
#define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \
static const uuid_t name = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15}
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* clear.c */
void uuid_clear(uuid_t uu);
/* compare.c */
int uuid_compare(const uuid_t uu1, const uuid_t uu2);
/* copy.c */
void uuid_copy(uuid_t dst, const uuid_t src);
/* gen_uuid.c */
void uuid_generate(uuid_t out);
void uuid_generate_random(uuid_t out);
void uuid_generate_time(uuid_t out);
/* isnull.c */
int uuid_is_null(const uuid_t uu);
/* parse.c */
int uuid_parse(const char *in, uuid_t uu);
/* unparse.c */
void uuid_unparse(const uuid_t uu, char *out);
void uuid_unparse_lower(const uuid_t uu, char *out);
void uuid_unparse_upper(const uuid_t uu, char *out);
/* uuid_time.c */
time_t uuid_time(const uuid_t uu, struct timeval *ret_tv);
int uuid_type(const uuid_t uu);
int uuid_variant(const uuid_t uu);
#ifdef __cplusplus
}
#endif
#endif /* _UUID_UUID_H */

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/*
* The symbol versioning ensures that a new application requiring symbol foo()
* can't run with old libblkid.so not providing foo() - the global SONAME
* version info can't enforce this since we never change the SONAME.
*
* The original libuuid from e2fsprogs (<=1.41.5) does not to use
* symbol versioning -- all the original symbols are in UUID_1.0 now.
*/
UUID_1.0 {
global:
uuid_clear;
uuid_compare;
uuid_copy;
uuid_generate;
uuid_generate_random;
uuid_generate_time;
uuid_is_null;
uuid_parse;
uuid_unparse;
uuid_unparse_lower;
uuid_unparse_upper;
uuid_time;
uuid_type;
uuid_variant;
local:
*;
};

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/*
* uuid.h -- private header file for uuids
*
* Copyright (C) 1996, 1997 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#include <inttypes.h>
#include <sys/types.h>
#include "uuid.h"
/*
* Offset between 15-Oct-1582 and 1-Jan-70
*/
#define TIME_OFFSET_HIGH 0x01B21DD2
#define TIME_OFFSET_LOW 0x13814000
struct uuid {
uint32_t time_low;
uint16_t time_mid;
uint16_t time_hi_and_version;
uint16_t clock_seq;
uint8_t node[6];
};
/*
* prototypes
*/
void uuid_pack(const struct uuid *uu, uuid_t ptr);
void uuid_unpack(const uuid_t in, struct uuid *uu);

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/*
* uuid_time.c --- Interpret the time field from a uuid. This program
* violates the UUID abstraction barrier by reaching into the guts
* of a UUID and interpreting it.
*
* Copyright (C) 1998, 1999 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#ifdef _WIN32
#define _WIN32_WINNT 0x0500
#include <windows.h>
#define UUID MYUUID
#endif
#include <stdio.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#include <sys/types.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <time.h>
#include "uuidP.h"
time_t uuid_time(const uuid_t uu, struct timeval *ret_tv)
{
struct timeval tv;
struct uuid uuid;
uint32_t high;
uint64_t clock_reg;
uuid_unpack(uu, &uuid);
high = uuid.time_mid | ((uuid.time_hi_and_version & 0xFFF) << 16);
clock_reg = uuid.time_low | ((uint64_t) high << 32);
clock_reg -= (((uint64_t) 0x01B21DD2) << 32) + 0x13814000;
tv.tv_sec = clock_reg / 10000000;
tv.tv_usec = (clock_reg % 10000000) / 10;
if (ret_tv)
*ret_tv = tv;
return tv.tv_sec;
}
int uuid_type(const uuid_t uu)
{
struct uuid uuid;
uuid_unpack(uu, &uuid);
return ((uuid.time_hi_and_version >> 12) & 0xF);
}
int uuid_variant(const uuid_t uu)
{
struct uuid uuid;
int var;
uuid_unpack(uu, &uuid);
var = uuid.clock_seq;
if ((var & 0x8000) == 0)
return UUID_VARIANT_NCS;
if ((var & 0x4000) == 0)
return UUID_VARIANT_DCE;
if ((var & 0x2000) == 0)
return UUID_VARIANT_MICROSOFT;
return UUID_VARIANT_OTHER;
}
#ifdef DEBUG
static const char *variant_string(int variant)
{
switch (variant) {
case UUID_VARIANT_NCS:
return "NCS";
case UUID_VARIANT_DCE:
return "DCE";
case UUID_VARIANT_MICROSOFT:
return "Microsoft";
default:
return "Other";
}
}
int
main(int argc, char **argv)
{
uuid_t buf;
time_t time_reg;
struct timeval tv;
int type, variant;
if (argc != 2) {
fprintf(stderr, "Usage: %s uuid\n", argv[0]);
exit(1);
}
if (uuid_parse(argv[1], buf)) {
fprintf(stderr, "Invalid UUID: %s\n", argv[1]);
exit(1);
}
variant = uuid_variant(buf);
type = uuid_type(buf);
time_reg = uuid_time(buf, &tv);
printf("UUID variant is %d (%s)\n", variant, variant_string(variant));
if (variant != UUID_VARIANT_DCE) {
printf("Warning: This program only knows how to interpret "
"DCE UUIDs.\n\tThe rest of the output is likely "
"to be incorrect!!\n");
}
printf("UUID type is %d", type);
switch (type) {
case 1:
printf(" (time based)\n");
break;
case 2:
printf(" (DCE)\n");
break;
case 3:
printf(" (name-based)\n");
break;
case 4:
printf(" (random)\n");
break;
default:
printf("\n");
}
if (type != 1) {
printf("Warning: not a time-based UUID, so UUID time "
"decoding will likely not work!\n");
}
printf("UUID time is: (%ld, %ld): %s\n", tv.tv_sec, tv.tv_usec,
ctime(&time_reg));
return 0;
}
#endif

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/*
* Definitions used by the uuidd daemon
*
* Copyright (C) 2007 Theodore Ts'o.
*
* %Begin-Header%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
* WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
* %End-Header%
*/
#ifndef _UUID_UUIDD_H
#define _UUID_UUIDD_H
#define UUIDD_SOCKET_PATH "/var/lib/libuuid/request"
#define UUIDD_PIDFILE_PATH "/var/lib/libuuid/uuidd.pid"
#define UUIDD_PATH "/usr/sbin/uuidd"
#define UUIDD_OP_GETPID 0
#define UUIDD_OP_GET_MAXOP 1
#define UUIDD_OP_TIME_UUID 2
#define UUIDD_OP_RANDOM_UUID 3
#define UUIDD_OP_BULK_TIME_UUID 4
#define UUIDD_OP_BULK_RANDOM_UUID 5
#define UUIDD_MAX_OP UUIDD_OP_BULK_RANDOM_UUID
extern void uuid__generate_time(uuid_t out, int *num);
extern void uuid__generate_random(uuid_t out, int *num);
#endif /* _UUID_UUID_H */

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prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@
Name: uuid
Description: Universally unique id library
Version: @E2FSPROGS_VERSION@
Requires:
Cflags: -I${includedir}/uuid
Libs: -L${libdir} -luuid