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authorShan Hai <shan.hai@windriver.com>2016-09-13 13:45:46 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-09-16 15:15:32 +0100
commit31c6c8150394de067085be5b0058037077860a8a (patch)
treec1f3e063d63f5c4b65b9a72d1a78768bcf0b985a
parent638ee71da967f093071ba25e0ea5c467dab65339 (diff)
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shadow: use relaxed usernames
The groupadd from shadow does not allow upper case group names, the same is true for the upstream shadow. But distributions like Debian/Ubuntu/CentOS has their own way to cope with this problem, this patch is picked up from CentOS release 7.0 to relax the usernames restrictions to allow the upper case group names, and the relaxation is POSIX compliant because POSIX indicate that usernames are composed of characters from the portable filename character set [A-Za-z0-9._-]. Signed-off-by: Shan Hai <shan.hai@windriver.com> Signed-off-by: Mingli Yu <Mingli.Yu@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
-rw-r--r--meta/recipes-extended/shadow/files/shadow-relaxed-usernames.patch100
-rw-r--r--meta/recipes-extended/shadow/shadow.inc1
2 files changed, 101 insertions, 0 deletions
diff --git a/meta/recipes-extended/shadow/files/shadow-relaxed-usernames.patch b/meta/recipes-extended/shadow/files/shadow-relaxed-usernames.patch
new file mode 100644
index 0000000000..1af04d5fe8
--- /dev/null
+++ b/meta/recipes-extended/shadow/files/shadow-relaxed-usernames.patch
@@ -0,0 +1,100 @@
+
+The groupadd from shadow does not allow upper case group names, the
+same is true for the upstream shadow. But distributions like
+Debian/Ubuntu/CentOS has their own way to cope with this problem,
+this patch is picked up from CentOS release 7.0 to relax the usernames
+restrictions to allow the upper case group names, and the relaxation is
+POSIX compliant because POSIX indicate that usernames are composed of
+characters from the portable filename character set [A-Za-z0-9._-].
+
+Upstream-Status: Pending
+
+Signed-off-by: Shan Hai <shan.hai@windriver.com>
+
+diff -urpN a/libmisc/chkname.c b/libmisc/chkname.c
+index 5089112..f40a0da 100644
+--- a/libmisc/chkname.c
++++ b/libmisc/chkname.c
+@@ -49,21 +49,28 @@
+ static bool is_valid_name (const char *name)
+ {
+ /*
+- * User/group names must match [a-z_][a-z0-9_-]*[$]
+- */
+- if (('\0' == *name) ||
+- !((('a' <= *name) && ('z' >= *name)) || ('_' == *name))) {
++ * User/group names must match gnu e-regex:
++ * [a-zA-Z0-9_.][a-zA-Z0-9_.-]{0,30}[a-zA-Z0-9_.$-]?
++ *
++ * as a non-POSIX, extension, allow "$" as the last char for
++ * sake of Samba 3.x "add machine script"
++ */
++ if ( ('\0' == *name) ||
++ !((*name >= 'a' && *name <= 'z') ||
++ (*name >= 'A' && *name <= 'Z') ||
++ (*name >= '0' && *name <= '9') ||
++ (*name == '_') || (*name == '.')
++ )) {
+ return false;
+ }
+
+ while ('\0' != *++name) {
+- if (!(( ('a' <= *name) && ('z' >= *name) ) ||
+- ( ('0' <= *name) && ('9' >= *name) ) ||
+- ('_' == *name) ||
+- ('-' == *name) ||
+- ('.' == *name) ||
+- ( ('$' == *name) && ('\0' == *(name + 1)) )
+- )) {
++ if (!( (*name >= 'a' && *name <= 'z') ||
++ (*name >= 'A' && *name <= 'Z') ||
++ (*name >= '0' && *name <= '9') ||
++ (*name == '_') || (*name == '.') || (*name == '-') ||
++ (*name == '$' && *(name + 1) == '\0')
++ )) {
+ return false;
+ }
+ }
+diff -urpN a/man/groupadd.8.xml b/man/groupadd.8.xml
+index 230fd0c..94f7807 100644
+--- a/man/groupadd.8.xml
++++ b/man/groupadd.8.xml
+@@ -222,12 +222,6 @@
+ <refsect1 id='caveats'>
+ <title>CAVEATS</title>
+ <para>
+- Groupnames must start with a lower case letter or an underscore,
+- followed by lower case letters, digits, underscores, or dashes.
+- They can end with a dollar sign.
+- In regular expression terms: [a-z_][a-z0-9_-]*[$]?
+- </para>
+- <para>
+ Groupnames may only be up to &GROUP_NAME_MAX_LENGTH; characters long.
+ </para>
+ <para>
+diff -urpN a/man/useradd.8.xml b/man/useradd.8.xml
+index 5dec989..fe623b9 100644
+--- a/man/useradd.8.xml
++++ b/man/useradd.8.xml
+@@ -336,7 +336,7 @@
+ </term>
+ <listitem>
+ <para>
+- Do no create the user's home directory, even if the system
++ Do not create the user's home directory, even if the system
+ wide setting from <filename>/etc/login.defs</filename>
+ (<option>CREATE_HOME</option>) is set to
+ <replaceable>yes</replaceable>.
+@@ -607,12 +607,6 @@
+ </para>
+
+ <para>
+- Usernames must start with a lower case letter or an underscore,
+- followed by lower case letters, digits, underscores, or dashes.
+- They can end with a dollar sign.
+- In regular expression terms: [a-z_][a-z0-9_-]*[$]?
+- </para>
+- <para>
+ Usernames may only be up to 32 characters long.
+ </para>
+ </refsect1>
diff --git a/meta/recipes-extended/shadow/shadow.inc b/meta/recipes-extended/shadow/shadow.inc
index 5605876988..35a18f8ab0 100644
--- a/meta/recipes-extended/shadow/shadow.inc
+++ b/meta/recipes-extended/shadow/shadow.inc
@@ -22,6 +22,7 @@ SRC_URI = "http://pkg-shadow.alioth.debian.org/releases/${BPN}-${PV}.tar.xz \
SRC_URI_append_class-target = " \
file://login_defs_pam.sed \
file://shadow-update-pam-conf.patch \
+ file://shadow-relaxed-usernames.patch \
"
SRC_URI_append_class-native = " \