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authorJeremy Harris <jgh146exb@wizmail.org>2018-02-12 17:29:22 +0000
committerJeremy Harris <jgh146exb@wizmail.org>2018-02-12 17:29:22 +0000
commit6741531cf79cbd3b403b8a52ed07635fe543cd3a (patch)
treefc4c1a4f8d5e33aec7158c29cfa918784b7baf4d
parent4ff848b506be673df1a4bf3867ad42ee78573afe (diff)
ACL: Enforce non-usability of control=utf8_downconvert in MAIL ACL. Bug 2239
-rw-r--r--doc/doc-docbook/spec.xfpt10
-rw-r--r--doc/doc-txt/ChangeLog3
-rw-r--r--src/src/acl.c3
3 files changed, 13 insertions, 3 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 2c783d700..03310fc22 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -39359,7 +39359,7 @@ This will add a component tagged with &"PRX="& to the line.
.cindex internationalisation "email address"
.cindex EAI
.cindex i18n
-.cindex UTF-8 "mail name handling"
+.cindex utf8 "mail name handling"
Exim has support for Internationalised mail names.
To include this it must be built with SUPPORT_I18N and the libidn library.
@@ -39397,6 +39397,7 @@ form of the name.
.cindex log protocol
.cindex SMTPUTF8 logging
+.cindex i18n logging
Log lines and Received-by: header lines will acquire a "utf8"
prefix on the protocol element, eg. utf8esmtp.
@@ -39408,7 +39409,12 @@ ${utf8_localpart_to_alabel:str}
${utf8_localpart_from_alabel:str}
.endd
-ACLs may use the following modifier:
+.cindex utf8 "address downconversion"
+.cindev i18n "utf8 address downconversion"
+.new
+The RCPT ACL
+.wen
+may use the following modifier:
.display
control = utf8_downconvert
control = utf8_downconvert/<value>
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 088c3d358..6dd768c8a 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -96,6 +96,9 @@ JH/17 Bug 2113: Fix conversation closedown with the Avast malware scanner.
found indication; now we go on to read the "scan ok" response line,
and send a quit.
+JH/18 Bug 2239: Enforce non-usability of control=utf8_downconvert in the mail
+ ACL. Previously, a crash would result.
+
Exim version 4.90
-----------------
diff --git a/src/src/acl.c b/src/src/acl.c
index bc26e2d58..fb8b75bc7 100644
--- a/src/src/acl.c
+++ b/src/src/acl.c
@@ -523,7 +523,8 @@ static control_def controls_list[] = {
},
#ifdef SUPPORT_I18N
[CONTROL_UTF8_DOWNCONVERT] =
- { US"utf8_downconvert", TRUE, 0 }
+ { US"utf8_downconvert", TRUE, (unsigned) ~(ACL_BIT_RCPT | ACL_BIT_VRFY)
+ }
#endif
};