diff mbox series

[kirkstone,4/4] shadow: Add PW_SUBDIR

Message ID 20231124141108.1397342-5-joakim.tjernlund@infinera.com
State New, archived
Delegated to: Steve Sakoman
Headers show
Series Add sub dir for passwd files | expand

Commit Message

Joakim Tjernlund Nov. 24, 2023, 2:10 p.m. UTC
Add support for creating passwd files in a /etc subdir
Set PW_SUBIR to pwdb to get passwd files in /etc/pwdb

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
---
 .../0001-Define-SUBUID_FILE-SUBGID_FILE.patch | 92 +++++++++++++++++++
 meta/recipes-extended/shadow/shadow.inc       | 30 +++++-
 2 files changed, 118 insertions(+), 4 deletions(-)
 create mode 100644 meta/recipes-extended/shadow/files/0001-Define-SUBUID_FILE-SUBGID_FILE.patch

Comments

Peter Kjellerstedt Nov. 26, 2023, 9:25 p.m. UTC | #1
> -----Original Message-----
> From: openembedded-core@lists.openembedded.org <openembedded-core@lists.openembedded.org> On Behalf Of Joakim Tjernlund via lists.openembedded.org
> Sent: den 24 november 2023 15:11
> To: openembedded-core@lists.openembedded.org
> Cc: Joakim Tjernlund <joakim.tjernlund@infinera.com>
> Subject: [OE-core] [kirkstone][PATCH 4/4] shadow: Add PW_SUBDIR
> 
> Add support for creating passwd files in a /etc subdir
> Set PW_SUBIR to pwdb to get passwd files in /etc/pwdb
> 
> Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
> ---
>  .../0001-Define-SUBUID_FILE-SUBGID_FILE.patch | 92 +++++++++++++++++++
>  meta/recipes-extended/shadow/shadow.inc       | 30 +++++-
>  2 files changed, 118 insertions(+), 4 deletions(-)
>  create mode 100644 meta/recipes-extended/shadow/files/0001-Define-SUBUID_FILE-SUBGID_FILE.patch
> 
> diff --git a/meta/recipes-extended/shadow/files/0001-Define-SUBUID_FILE-SUBGID_FILE.patch b/meta/recipes-extended/shadow/files/0001-Define-SUBUID_FILE-SUBGID_FILE.patch
> new file mode 100644
> index 0000000000..9f85159e97
> --- /dev/null
> +++ b/meta/recipes-extended/shadow/files/0001-Define-SUBUID_FILE-SUBGID_FILE.patch
> @@ -0,0 +1,92 @@
> +From f605fb315faef7ddcad70d638f3b3aa16ea98fc0 Mon Sep 17 00:00:00 2001
> +From: Joakim Tjernlund <joakim.tjernlund@infinera.com>
> +Date: Thu, 2 Nov 2023 00:27:10 +0100
> +Subject: [PATCH] Define SUBUID_FILE/SUBGID_FILE
> +
> +Upstream-Status: Backport, https://github.com/shadow-maint/shadow/commit/ee3a79c6952f8ca649c286c7f76639d9d1dedaad

Follow the recommended syntax:

Upstream-Status: Backport [https://github.com/shadow-maint/shadow/commit/ee3a79c6952f8ca649c286c7f76639d9d1dedaad]

> +
> +These where hard coded, make them definable like SHADOW_FILE
> +
> +Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
> +---

[cut]

> diff --git a/meta/recipes-extended/shadow/shadow.inc b/meta/recipes-extended/shadow/shadow.inc
> index 3c1dd2f98e..bcb9b09a49 100644
> --- a/meta/recipes-extended/shadow/shadow.inc
> +++ b/meta/recipes-extended/shadow/shadow.inc
> @@ -18,6 +18,7 @@ SRC_URI = "https://github.com/shadow-maint/shadow/releases/download/v${PV}/${BP}
>             file://useradd \
>             file://CVE-2023-29383.patch \
>             file://0001-Overhaul-valid_field.patch \
> +           file://0001-Define-SUBUID_FILE-SUBGID_FILE.patch \
>             "
> 
>  SRC_URI:append:class-target = " \
> @@ -46,6 +47,21 @@ PAM_SRC_URI = "file://pam.d/chfn \
>                 file://pam.d/passwd \
>                 file://pam.d/su"
> 
> +#Set PW_SUBDIR to pwdb to get passwd files in /etc/pwdb
> +PW_SUBDIR ?= ""
> +PWPRE = "/etc/${PW_SUBDIR}"

Use ${sysconfdir} instead of /etc.

> +CFLAGS:append = ' -DPASSWD_FILE=\\"${PWPRE}/passwd\\"'
> +CFLAGS:append = ' -DSHADOW_FILE=\\"${PWPRE}/shadow\\"'
> +CFLAGS:append = ' -DGROUP_FILE=\\"${PWPRE}/group\\"'
> +CFLAGS:append = ' -DSGROUP_FILE=\\"${PWPRE}/gshadow\\"'
> +CFLAGS:append = ' -DSUBUID_FILE=\\"${PWPRE}/subuid\\"'
> +CFLAGS:append = ' -DSUBGID_FILE=\\"${PWPRE}/subgid\\"'

Use `CFLAGS += ...` instead of `CFLAGS:append = ...`:

CFLAGS += ' \
    -DPASSWD_FILE=\\"${PWPRE}/passwd\\" \
    -DSHADOW_FILE=\\"${PWPRE}/shadow\\" \
    -DGROUP_FILE=\\"${PWPRE}/group\\" \
    -DSGROUP_FILE=\\"${PWPRE}/gshadow\\" \
    -DSUBUID_FILE=\\"${PWPRE}/subuid\\" \
    -DSUBGID_FILE=\\"${PWPRE}/subgid\\" \
'

> +
> +#shadow has it own impl. that uses whatever dir passwd files are in
> +do_configure:prepend () {
> +    sed -i -e 's/lckpwdf//' ${S}/configure.ac

Use tabs to indent shell code. However, this should really be a patch...

> +}
> +
>  inherit autotools gettext
> 
>  export CONFIG_SHELL="/bin/sh"
> @@ -157,9 +173,9 @@ do_install:append() {
>  	# usermod requires the subuid/subgid files to be in place before being
>  	# able to use the -v/-V flags otherwise it fails:
>  	# usermod: /etc/subuid does not exist, you cannot use the flags -v or -V
> -	install -d ${D}${sysconfdir}
> -	touch ${D}${sysconfdir}/subuid
> -	touch ${D}${sysconfdir}/subgid
> +	install -d ${D}${sysconfdir}/${PW_SUBDIR}
> +	touch ${D}${sysconfdir}/${PW_SUBDIR}/subuid
> +	touch ${D}${sysconfdir}/${PW_SUBDIR}/subgid
>  }
> 
>  PACKAGES =+ "${PN}-base"
> @@ -193,12 +209,18 @@ ALTERNATIVE_LINK_NAME[su] = "${base_bindir}/su"
> 
>  PACKAGE_WRITE_DEPS += "shadow-native"
>  pkg_postinst:${PN}:class-target () {
> +	install -d $D${sysconfdir}/${PW_SUBDIR}
>  	if [ "x$D" != "x" ]; then
>  	  rootarg="--root $D"
>  	else
>  	  rootarg=""
>  	fi
> -
> +	if [ -n "${PW_SUBDIR}" ]; then
> +	    ln -fs ${PW_SUBDIR}/subuid $D${sysconfdir}/subuid
> +	    ln -fs ${PW_SUBDIR}/subgid $D${sysconfdir}/subgid
> +	    ln -fs ${PW_SUBDIR}/shadow $D${sysconfdir}/shadow
> +	    ln -fs ${PW_SUBDIR}/gshadow $D${sysconfdir}/gshadow

Inconsistent indentation (mix of tabs and spaces). This also applies to 
the old code above, but with a different number of spaces...

> +	fi
>  	pwconv $rootarg || exit 1
>  	grpconv $rootarg || exit 1
>  }
> --
> 2.41.0

//Peter
diff mbox series

Patch

diff --git a/meta/recipes-extended/shadow/files/0001-Define-SUBUID_FILE-SUBGID_FILE.patch b/meta/recipes-extended/shadow/files/0001-Define-SUBUID_FILE-SUBGID_FILE.patch
new file mode 100644
index 0000000000..9f85159e97
--- /dev/null
+++ b/meta/recipes-extended/shadow/files/0001-Define-SUBUID_FILE-SUBGID_FILE.patch
@@ -0,0 +1,92 @@ 
+From f605fb315faef7ddcad70d638f3b3aa16ea98fc0 Mon Sep 17 00:00:00 2001
+From: Joakim Tjernlund <joakim.tjernlund@infinera.com>
+Date: Thu, 2 Nov 2023 00:27:10 +0100
+Subject: [PATCH] Define SUBUID_FILE/SUBGID_FILE
+
+Upstream-Status: Backport, https://github.com/shadow-maint/shadow/commit/ee3a79c6952f8ca649c286c7f76639d9d1dedaad
+
+These where hard coded, make them definable like SHADOW_FILE
+
+Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
+---
+ lib/defines.h         | 8 ++++++++
+ lib/subordinateio.c   | 6 +++---
+ libmisc/prefix_flag.c | 8 ++++----
+ 3 files changed, 15 insertions(+), 7 deletions(-)
+
+diff --git a/lib/defines.h b/lib/defines.h
+index fc1521c..27b220f 100644
+--- a/lib/defines.h
++++ b/lib/defines.h
+@@ -312,6 +312,14 @@ char *strchr (), *strrchr (), *strtok ();
+ #define SHADOW_FILE "/etc/shadow"
+ #endif
+ 
++#ifndef SUBUID_FILE
++#define SUBUID_FILE "/etc/subuid"
++#endif
++
++#ifndef SUBGID_FILE
++#define SUBGID_FILE "/etc/subgid"
++#endif
++
+ #ifdef SHADOWGRP
+ #ifndef SGROUP_FILE
+ #define SGROUP_FILE "/etc/gshadow"
+diff --git a/lib/subordinateio.c b/lib/subordinateio.c
+index 9ca70b8..9ddc5e1 100644
+--- a/lib/subordinateio.c
++++ b/lib/subordinateio.c
+@@ -206,7 +206,7 @@ static const struct subordinate_range *find_range(struct commonio_db *db,
+         /*
+          * We only do special handling for these two files
+          */
+-        if ((0 != strcmp(db->filename, "/etc/subuid")) && (0 != strcmp(db->filename, "/etc/subgid")))
++        if ((0 != strcmp(db->filename, SUBUID_FILE)) && (0 != strcmp(db->filename, SUBGID_FILE)))
+                 return NULL;
+ 
+         /*
+@@ -554,7 +554,7 @@ static int remove_range (struct commonio_db *db,
+ }
+ 
+ static struct commonio_db subordinate_uid_db = {
+-	"/etc/subuid",		/* filename */
++	SUBUID_FILE,		/* filename */
+ 	&subordinate_ops,	/* ops */
+ 	NULL,			/* fp */
+ #ifdef WITH_SELINUX
+@@ -650,7 +650,7 @@ uid_t sub_uid_find_free_range(uid_t min, uid_t max, unsigned long count)
+ }
+ 
+ static struct commonio_db subordinate_gid_db = {
+-	"/etc/subgid",		/* filename */
++	SUBGID_FILE,		/* filename */
+ 	&subordinate_ops,	/* ops */
+ 	NULL,			/* fp */
+ #ifdef WITH_SELINUX
+diff --git a/libmisc/prefix_flag.c b/libmisc/prefix_flag.c
+index d4dfbc2..0e7dfa7 100644
+--- a/libmisc/prefix_flag.c
++++ b/libmisc/prefix_flag.c
+@@ -120,14 +120,14 @@ extern const char* process_prefix_flag (const char* short_opt, int argc, char **
+ 		spw_setdbname(spw_db_file);
+ 
+ #ifdef ENABLE_SUBIDS
+-		len = strlen(prefix) + strlen("/etc/subuid") + 2;
++		len = strlen(prefix) + strlen(SUBUID_FILE) + 2;
+ 		suid_db_file = xmalloc(len);
+-		snprintf(suid_db_file, len, "%s/%s", prefix, "/etc/subuid");
++		snprintf(suid_db_file, len, "%s/%s", prefix, SUBUID_FILE);
+ 		sub_uid_setdbname(suid_db_file);
+ 
+-		len = strlen(prefix) + strlen("/etc/subgid") + 2;
++		len = strlen(prefix) + strlen(SUBGID_FILE) + 2;
+ 		sgid_db_file = xmalloc(len);
+-		snprintf(sgid_db_file, len, "%s/%s", prefix, "/etc/subgid");
++		snprintf(sgid_db_file, len, "%s/%s", prefix, SUBGID_FILE);
+ 		sub_gid_setdbname(sgid_db_file);
+ #endif
+ 
+-- 
+2.41.0
+
diff --git a/meta/recipes-extended/shadow/shadow.inc b/meta/recipes-extended/shadow/shadow.inc
index 3c1dd2f98e..bcb9b09a49 100644
--- a/meta/recipes-extended/shadow/shadow.inc
+++ b/meta/recipes-extended/shadow/shadow.inc
@@ -18,6 +18,7 @@  SRC_URI = "https://github.com/shadow-maint/shadow/releases/download/v${PV}/${BP}
            file://useradd \
            file://CVE-2023-29383.patch \
            file://0001-Overhaul-valid_field.patch \
+           file://0001-Define-SUBUID_FILE-SUBGID_FILE.patch \
            "
 
 SRC_URI:append:class-target = " \
@@ -46,6 +47,21 @@  PAM_SRC_URI = "file://pam.d/chfn \
                file://pam.d/passwd \
                file://pam.d/su"
 
+#Set PW_SUBDIR to pwdb to get passwd files in /etc/pwdb
+PW_SUBDIR ?= ""
+PWPRE = "/etc/${PW_SUBDIR}"
+CFLAGS:append = ' -DPASSWD_FILE=\\"${PWPRE}/passwd\\"'
+CFLAGS:append = ' -DSHADOW_FILE=\\"${PWPRE}/shadow\\"'
+CFLAGS:append = ' -DGROUP_FILE=\\"${PWPRE}/group\\"'
+CFLAGS:append = ' -DSGROUP_FILE=\\"${PWPRE}/gshadow\\"'
+CFLAGS:append = ' -DSUBUID_FILE=\\"${PWPRE}/subuid\\"'
+CFLAGS:append = ' -DSUBGID_FILE=\\"${PWPRE}/subgid\\"'
+
+#shadow has it own impl. that uses whatever dir passwd files are in
+do_configure:prepend () {
+    sed -i -e 's/lckpwdf//' ${S}/configure.ac
+}
+
 inherit autotools gettext
 
 export CONFIG_SHELL="/bin/sh"
@@ -157,9 +173,9 @@  do_install:append() {
 	# usermod requires the subuid/subgid files to be in place before being
 	# able to use the -v/-V flags otherwise it fails:
 	# usermod: /etc/subuid does not exist, you cannot use the flags -v or -V
-	install -d ${D}${sysconfdir}
-	touch ${D}${sysconfdir}/subuid
-	touch ${D}${sysconfdir}/subgid
+	install -d ${D}${sysconfdir}/${PW_SUBDIR}
+	touch ${D}${sysconfdir}/${PW_SUBDIR}/subuid
+	touch ${D}${sysconfdir}/${PW_SUBDIR}/subgid
 }
 
 PACKAGES =+ "${PN}-base"
@@ -193,12 +209,18 @@  ALTERNATIVE_LINK_NAME[su] = "${base_bindir}/su"
 
 PACKAGE_WRITE_DEPS += "shadow-native"
 pkg_postinst:${PN}:class-target () {
+	install -d $D${sysconfdir}/${PW_SUBDIR}
 	if [ "x$D" != "x" ]; then
 	  rootarg="--root $D"
 	else
 	  rootarg=""
 	fi
-
+	if [ -n "${PW_SUBDIR}" ]; then
+	    ln -fs ${PW_SUBDIR}/subuid $D${sysconfdir}/subuid
+	    ln -fs ${PW_SUBDIR}/subgid $D${sysconfdir}/subgid
+	    ln -fs ${PW_SUBDIR}/shadow $D${sysconfdir}/shadow
+	    ln -fs ${PW_SUBDIR}/gshadow $D${sysconfdir}/gshadow
+	fi
 	pwconv $rootarg || exit 1
 	grpconv $rootarg || exit 1
 }