From: Taras Kondratiuk <takondra@cisco.com> To: "H. Peter Anvin" <hpa@zytor.com>, Al Viro <viro@zeniv.linux.org.uk>, Arnd Bergmann <arnd@arndb.de>, Rob Landley <rob@landley.net>, Mimi Zohar <zohar@linux.vnet.ibm.com>, Jonathan Corbet <corbet@lwn.net>, James McMechan <james.w.mcmechan@gmail.com> Cc: initramfs@vger.kernel.org, Victor Kamensky <kamensky@cisco.com>, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, xe-linux-external@cisco.com Subject: [PATCH v2 13/15] gen_initramfs_list.sh: add -x option to enable newcx format Date: Thu, 25 Jan 2018 03:27:53 +0000 [thread overview] Message-ID: <1516850875-25066-14-git-send-email-takondra@cisco.com> (raw) In-Reply-To: <1516850875-25066-1-git-send-email-takondra@cisco.com> From: Mimi Zohar <zohar@linux.vnet.ibm.com> -x option populates extended attributes in cpio_list file passed to get_init_cpio and selects newcx CPIO format. Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Signed-off-by: Taras Kondratiuk <takondra@cisco.com> --- scripts/gen_initramfs_list.sh | 13 ++++++++++++- usr/Kconfig | 11 +++++++++++ usr/Makefile | 3 ++- 3 files changed, 25 insertions(+), 2 deletions(-) diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh index 86a3c0e5cfbc..cddb82f093d9 100755 --- a/scripts/gen_initramfs_list.sh +++ b/scripts/gen_initramfs_list.sh @@ -24,6 +24,7 @@ $0 [-o <file>] [-u <uid>] [-g <gid>] {-d | <cpio_source>} ... -g <gid> Group ID to map to group ID 0 (root). <gid> is only meaningful if <cpio_source> is a directory. "squash" forces all files to gid 0. + -x include file extended attributes in cpio archive. <cpio_source> File list or directory for cpio archive. If <cpio_source> is a .cpio file it will be used as direct input to initramfs. @@ -146,6 +147,9 @@ parse() { ;; esac + $include_xattrs && \ + getfattr -h -d -m - -e hex --absolute-names ${location} | \ + sed -e '/^#/d' -e '/^$/d' -e 's/^/xattr /' >> ${output} echo "${str}" >> ${output} return 0 @@ -226,6 +230,8 @@ root_gid=0 dep_list= cpio_file= cpio_list= +cpio_opts= +include_xattrs=false output="/dev/stdout" output_file="" is_cpio_compressed= @@ -283,6 +289,10 @@ while [ $# -gt 0 ]; do default_list="$arg" ${dep_list}default_initramfs ;; + "-x") # include extended attributers + cpio_opts="-x" + include_xattrs=true + ;; "-h") usage exit 0 @@ -312,7 +322,8 @@ if [ ! -z ${output_file} ]; then fi fi cpio_tfile="$(mktemp ${TMPDIR:-/tmp}/cpiofile.XXXXXX)" - usr/gen_init_cpio $timestamp ${cpio_list} > ${cpio_tfile} + usr/gen_init_cpio $timestamp ${cpio_opts} ${cpio_list} \ + > ${cpio_tfile} else cpio_tfile=${cpio_file} fi diff --git a/usr/Kconfig b/usr/Kconfig index 43658b8a975e..0cc03bc4614c 100644 --- a/usr/Kconfig +++ b/usr/Kconfig @@ -52,6 +52,17 @@ config INITRAMFS_ROOT_GID If you are not sure, leave it set to "0". +config INITRAMFS_NEWCX + bool "Use newcx CPIO format for initramfs" + depends on INITRAMFS_SOURCE!="" + default n + help + If selected "usr/gen_init_cpio" will generate newcx CPIO archive + format that supports extended attributes. + + See <file:Documentation/early-userspace/buffer-format.txt> for + more details. + config RD_GZIP bool "Support initial ramdisk/ramfs compressed using gzip" depends on BLK_DEV_INITRD diff --git a/usr/Makefile b/usr/Makefile index 237a028693ce..1106bfd61475 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -29,7 +29,8 @@ ramfs-input := $(if $(filter-out "",$(CONFIG_INITRAMFS_SOURCE)), \ $(shell echo $(CONFIG_INITRAMFS_SOURCE)),-d) ramfs-args := \ $(if $(CONFIG_INITRAMFS_ROOT_UID), -u $(CONFIG_INITRAMFS_ROOT_UID)) \ - $(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID)) + $(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID)) \ + $(if $(CONFIG_INITRAMFS_NEWCX), -x) # $(datafile_d_y) is used to identify all files included # in initramfs and to detect if any files are added/removed. -- 2.10.3.dirty
WARNING: multiple messages have this Message-ID (diff)
From: takondra@cisco.com (Taras Kondratiuk) To: linux-security-module@vger.kernel.org Subject: [PATCH v2 13/15] gen_initramfs_list.sh: add -x option to enable newcx format Date: Thu, 25 Jan 2018 03:27:53 +0000 [thread overview] Message-ID: <1516850875-25066-14-git-send-email-takondra@cisco.com> (raw) In-Reply-To: <1516850875-25066-1-git-send-email-takondra@cisco.com> From: Mimi Zohar <zohar@linux.vnet.ibm.com> -x option populates extended attributes in cpio_list file passed to get_init_cpio and selects newcx CPIO format. Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Signed-off-by: Taras Kondratiuk <takondra@cisco.com> --- scripts/gen_initramfs_list.sh | 13 ++++++++++++- usr/Kconfig | 11 +++++++++++ usr/Makefile | 3 ++- 3 files changed, 25 insertions(+), 2 deletions(-) diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh index 86a3c0e5cfbc..cddb82f093d9 100755 --- a/scripts/gen_initramfs_list.sh +++ b/scripts/gen_initramfs_list.sh @@ -24,6 +24,7 @@ $0 [-o <file>] [-u <uid>] [-g <gid>] {-d | <cpio_source>} ... -g <gid> Group ID to map to group ID 0 (root). <gid> is only meaningful if <cpio_source> is a directory. "squash" forces all files to gid 0. + -x include file extended attributes in cpio archive. <cpio_source> File list or directory for cpio archive. If <cpio_source> is a .cpio file it will be used as direct input to initramfs. @@ -146,6 +147,9 @@ parse() { ;; esac + $include_xattrs && \ + getfattr -h -d -m - -e hex --absolute-names ${location} | \ + sed -e '/^#/d' -e '/^$/d' -e 's/^/xattr /' >> ${output} echo "${str}" >> ${output} return 0 @@ -226,6 +230,8 @@ root_gid=0 dep_list= cpio_file= cpio_list= +cpio_opts= +include_xattrs=false output="/dev/stdout" output_file="" is_cpio_compressed= @@ -283,6 +289,10 @@ while [ $# -gt 0 ]; do default_list="$arg" ${dep_list}default_initramfs ;; + "-x") # include extended attributers + cpio_opts="-x" + include_xattrs=true + ;; "-h") usage exit 0 @@ -312,7 +322,8 @@ if [ ! -z ${output_file} ]; then fi fi cpio_tfile="$(mktemp ${TMPDIR:-/tmp}/cpiofile.XXXXXX)" - usr/gen_init_cpio $timestamp ${cpio_list} > ${cpio_tfile} + usr/gen_init_cpio $timestamp ${cpio_opts} ${cpio_list} \ + > ${cpio_tfile} else cpio_tfile=${cpio_file} fi diff --git a/usr/Kconfig b/usr/Kconfig index 43658b8a975e..0cc03bc4614c 100644 --- a/usr/Kconfig +++ b/usr/Kconfig @@ -52,6 +52,17 @@ config INITRAMFS_ROOT_GID If you are not sure, leave it set to "0". +config INITRAMFS_NEWCX + bool "Use newcx CPIO format for initramfs" + depends on INITRAMFS_SOURCE!="" + default n + help + If selected "usr/gen_init_cpio" will generate newcx CPIO archive + format that supports extended attributes. + + See <file:Documentation/early-userspace/buffer-format.txt> for + more details. + config RD_GZIP bool "Support initial ramdisk/ramfs compressed using gzip" depends on BLK_DEV_INITRD diff --git a/usr/Makefile b/usr/Makefile index 237a028693ce..1106bfd61475 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -29,7 +29,8 @@ ramfs-input := $(if $(filter-out "",$(CONFIG_INITRAMFS_SOURCE)), \ $(shell echo $(CONFIG_INITRAMFS_SOURCE)),-d) ramfs-args := \ $(if $(CONFIG_INITRAMFS_ROOT_UID), -u $(CONFIG_INITRAMFS_ROOT_UID)) \ - $(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID)) + $(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID)) \ + $(if $(CONFIG_INITRAMFS_NEWCX), -x) # $(datafile_d_y) is used to identify all files included # in initramfs and to detect if any files are added/removed. -- 2.10.3.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2018-01-25 3:37 UTC|newest] Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-01-25 3:27 [PATCH v2 00/15] extend initramfs archive format to support xattrs Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 01/15] Documentation: add newcx initramfs format description Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 9:29 ` Arnd Bergmann 2018-01-25 9:29 ` Arnd Bergmann 2018-01-25 20:26 ` Taras Kondratiuk 2018-01-25 20:26 ` Taras Kondratiuk 2018-01-25 20:26 ` Taras Kondratiuk 2018-01-25 21:02 ` Arnd Bergmann 2018-01-25 21:02 ` Arnd Bergmann 2018-01-25 22:13 ` Taras Kondratiuk 2018-01-25 22:13 ` Taras Kondratiuk 2018-01-26 2:39 ` Rob Landley 2018-01-26 2:39 ` Rob Landley 2018-01-26 9:04 ` Arnd Bergmann 2018-01-26 9:04 ` Arnd Bergmann 2018-01-26 10:31 ` Henrique de Moraes Holschuh 2018-01-26 10:31 ` Henrique de Moraes Holschuh 2018-01-26 15:51 ` Victor Kamensky 2018-01-26 15:51 ` Victor Kamensky 2018-01-26 18:15 ` Henrique de Moraes Holschuh 2018-01-26 18:15 ` Henrique de Moraes Holschuh 2018-01-26 18:15 ` Henrique de Moraes Holschuh 2018-01-26 2:40 ` Rob Landley 2018-01-26 2:40 ` Rob Landley 2018-01-26 21:02 ` Taras Kondratiuk 2018-01-26 21:02 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 02/15] initramfs: replace states with function pointers Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 03/15] initramfs: store file name in name_buf Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 04/15] initramfs: remove unnecessary symlinks processing shortcut Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 05/15] initramfs: move files creation into separate state Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 06/15] initramfs: separate reading cpio method from header Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 07/15] initramfs: split header layout information from parsing function Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 08/15] initramfs: add newcx format Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 09/15] initramfs: set extended attributes Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 10/15] gen_init_cpio: move header formatting into function Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 11/15] gen_init_cpio: add newcx format Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-26 2:40 ` Rob Landley 2018-01-26 2:40 ` Rob Landley 2018-01-26 20:37 ` Taras Kondratiuk 2018-01-26 20:37 ` Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 12/15] gen_init_cpio: set extended attributes for " Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk [this message] 2018-01-25 3:27 ` [PATCH v2 13/15] gen_initramfs_list.sh: add -x option to enable " Taras Kondratiuk 2018-01-25 3:27 ` [PATCH v2 14/15] selinux: allow setxattr on rootfs so initramfs code can set them Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 13:51 ` [Fwd: [PATCH v2 14/15] selinux: allow setxattr on rootfs so initramfs code can set them] Stephen Smalley 2018-01-25 3:27 ` [PATCH v2 15/15] selinux: delay sid population for rootfs till init is complete Taras Kondratiuk 2018-01-25 3:27 ` Taras Kondratiuk 2018-01-25 13:48 ` [Fwd: [PATCH v2 15/15] selinux: delay sid population for rootfs till init is complete] Stephen Smalley
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