Gitweb:
https://git.exim.org/exim.git/commitdiff/29f5141e7cb1ee65369d8e49250134edc4e6120a
Commit: 29f5141e7cb1ee65369d8e49250134edc4e6120a
Parent: da47dd4d092ba35e4f8ff055d79693cc1266c816
Author: Jeremy Harris <jgh146exb@???>
AuthorDate: Tue Jun 2 13:35:06 2020 +0100
Committer: Jeremy Harris <jgh146exb@???>
CommitDate: Tue Jun 2 14:56:53 2020 +0100
Docs: ${listitem }
---
doc/doc-docbook/spec.xfpt | 23 ++++++++++++++++-------
1 file changed, 16 insertions(+), 7 deletions(-)
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 28c8b14..1b024f8 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -10168,6 +10168,18 @@ extracted is used.
You can use &`fail`& instead of {<&'string3'&>} as in a string extract.
+.new
+.vitem &*${listquote{*&<&'separator'&>&*}{*&<&'string'&>&*}}*"
+.citem quoting "for list"
+.citem list quoting
+This item doubles any occurrence of the separator character
+in the given string.
+An empty string is replaced with a single space.
+This converts the string into a safe form for use as a list element,
+in a list using the given separator.
+.wen
+
+
.vitem "&*${lookup{*&<&'key'&>&*}&~*&<&'search&~type'&>&*&~&&&
{*&<&'file'&>&*}&~{*&<&'string1'&>&*}&~{*&<&'string2'&>&*}}*&"
This is the first of one of two different types of lookup item, which are both
@@ -11933,15 +11945,12 @@ request, for a password, so the data consists of just two strings.
There can be problems if any of the strings are permitted to contain colon
characters. In the usual way, these have to be doubled to avoid being taken as
-separators. If the data is being inserted from a variable, the &%sg%& expansion
-item can be used to double any existing colons. For example, the configuration
+separators.
+The &%listquote%& expansion item can be used for this.
+For example, the configuration
of a LOGIN authenticator might contain this setting:
.code
-server_condition = ${if pam{$auth1:${sg{$auth2}{:}{::}}}}
-.endd
-For a PLAIN authenticator you could use:
-.code
-server_condition = ${if pam{$auth2:${sg{$auth3}{:}{::}}}}
+server_condition = ${if pam{$auth1:${listquote{:}{$auth2}}}}
.endd
In some operating systems, PAM authentication can be done only from a process
running as root. Since Exim is running as the Exim user when receiving
