If anyone wants to use capital letters or '.' for group or users names,
here's a patch for the current version of shadow in
SVN-x86_64-Multilib. Couldn't figure out how to change the man page though.
Dan
Submitted by Dan McGhee
Date: 2009 October 5
Initial package version: 4.1.4.2
Original patch: shadow-4.1.2.2 by Jim Gifford
Description: Adds capital letters and '.' to group and user names
--- shadow-4.1.4.2/libmisc/chkname.c.orig 2009-04-28 14:14:04.000000000 -0500
+++ shadow-4.1.4.2/libmisc/chkname.c 2009-10-05 15:35:24.000000000 -0500
@@ -49,17 +49,22 @@
static bool is_valid_name (const char *name)
{
/*
- * User/group names must match [a-z_][a-z0-9_-]*[$]
+ * User/group names must match [a-zA-Z0-9_.][a-zA-Z0-9_.-]*[$]
*/
if (('\0' == *name) ||
- !((('a' <= *name) && ('z' >= *name)) || ('_' == *name))) {
+ !((('a' <= *name) && ('z' >= *name) ||
+ ('A' <= *name) && ('Z' >= *name) ||
+ ('0' <= *name) && ('9'>= *name) ||
+ ('_' == *name || '.' == *name)))) {
return false;
}
while ('\0' != *++name) {
if (!(( ('a' <= *name) && ('z' >= *name) ) ||
+ ( ('A' <= *name) && ('Z' >= *name) ) ||
( ('0' <= *name) && ('9' >= *name) ) ||
('_' == *name) ||
+ ('.' == *name) ||
('-' == *name) ||
( ('$' == *name) && ('\0' == *(name + 1)) )
)) {
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