101 lines
3.5 KiB
Diff
101 lines
3.5 KiB
Diff
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The groupadd from shadow does not allow upper case group names, the
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same is true for the upstream shadow. But distributions like
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Debian/Ubuntu/CentOS has their own way to cope with this problem,
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this patch is picked up from CentOS release 7.0 to relax the usernames
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restrictions to allow the upper case group names, and the relaxation is
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POSIX compliant because POSIX indicate that usernames are composed of
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characters from the portable filename character set [A-Za-z0-9._-].
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Upstream-Status: Pending
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Signed-off-by: Shan Hai <shan.hai@windriver.com>
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diff -urpN a/libmisc/chkname.c b/libmisc/chkname.c
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index 5089112..f40a0da 100644
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--- a/libmisc/chkname.c
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+++ b/libmisc/chkname.c
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@@ -49,21 +49,28 @@
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static bool is_valid_name (const char *name)
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{
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/*
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- * User/group names must match [a-z_][a-z0-9_-]*[$]
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- */
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- if (('\0' == *name) ||
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- !((('a' <= *name) && ('z' >= *name)) || ('_' == *name))) {
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+ * User/group names must match gnu e-regex:
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+ * [a-zA-Z0-9_.][a-zA-Z0-9_.-]{0,30}[a-zA-Z0-9_.$-]?
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+ *
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+ * as a non-POSIX, extension, allow "$" as the last char for
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+ * sake of Samba 3.x "add machine script"
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+ */
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+ if ( ('\0' == *name) ||
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+ !((*name >= 'a' && *name <= 'z') ||
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+ (*name >= 'A' && *name <= 'Z') ||
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+ (*name >= '0' && *name <= '9') ||
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+ (*name == '_') || (*name == '.')
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+ )) {
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return false;
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}
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while ('\0' != *++name) {
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- if (!(( ('a' <= *name) && ('z' >= *name) ) ||
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- ( ('0' <= *name) && ('9' >= *name) ) ||
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- ('_' == *name) ||
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- ('-' == *name) ||
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- ('.' == *name) ||
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- ( ('$' == *name) && ('\0' == *(name + 1)) )
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- )) {
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+ if (!( (*name >= 'a' && *name <= 'z') ||
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+ (*name >= 'A' && *name <= 'Z') ||
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+ (*name >= '0' && *name <= '9') ||
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+ (*name == '_') || (*name == '.') || (*name == '-') ||
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+ (*name == '$' && *(name + 1) == '\0')
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+ )) {
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return false;
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}
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}
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diff -urpN a/man/groupadd.8.xml b/man/groupadd.8.xml
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index 230fd0c..94f7807 100644
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--- a/man/groupadd.8.xml
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+++ b/man/groupadd.8.xml
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@@ -222,12 +222,6 @@
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<refsect1 id='caveats'>
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<title>CAVEATS</title>
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<para>
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- Groupnames must start with a lower case letter or an underscore,
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- followed by lower case letters, digits, underscores, or dashes.
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- They can end with a dollar sign.
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- In regular expression terms: [a-z_][a-z0-9_-]*[$]?
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- </para>
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- <para>
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Groupnames may only be up to &GROUP_NAME_MAX_LENGTH; characters long.
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</para>
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<para>
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diff -urpN a/man/useradd.8.xml b/man/useradd.8.xml
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index 5dec989..fe623b9 100644
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--- a/man/useradd.8.xml
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+++ b/man/useradd.8.xml
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@@ -336,7 +336,7 @@
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</term>
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<listitem>
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<para>
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- Do no create the user's home directory, even if the system
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+ Do not create the user's home directory, even if the system
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wide setting from <filename>/etc/login.defs</filename>
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(<option>CREATE_HOME</option>) is set to
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<replaceable>yes</replaceable>.
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@@ -607,12 +607,6 @@
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</para>
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<para>
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- Usernames must start with a lower case letter or an underscore,
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- followed by lower case letters, digits, underscores, or dashes.
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- They can end with a dollar sign.
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- In regular expression terms: [a-z_][a-z0-9_-]*[$]?
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- </para>
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- <para>
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Usernames may only be up to 32 characters long.
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</para>
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</refsect1>
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