From 7441e2555c6c07ca34904e4bcf8ec8a3747eb9ac Mon Sep 17 00:00:00 2001
From: CentOS Sources <bugs@centos.org>
Date: Fri, 10 Jul 2020 01:24:19 +0000
Subject: [PATCH] import mailman-2.1.29-10.module+el8.3.0+6860+8e47d84b

---
 SOURCES/mailman-bouncer_oom_crash.patch | 78 +++++++++++++++++++++++++
 SPECS/mailman.spec                      |  7 ++-
 2 files changed, 84 insertions(+), 1 deletion(-)
 create mode 100644 SOURCES/mailman-bouncer_oom_crash.patch

diff --git a/SOURCES/mailman-bouncer_oom_crash.patch b/SOURCES/mailman-bouncer_oom_crash.patch
new file mode 100644
index 0000000..54da0c9
--- /dev/null
+++ b/SOURCES/mailman-bouncer_oom_crash.patch
@@ -0,0 +1,78 @@
+--- Mailman/Bouncers/SimpleMatch.py	2018-06-17 23:47:34 +0000
++++ Mailman/Bouncers/SimpleMatch.py	2020-01-17 00:03:34 +0000
+@@ -25,6 +25,9 @@
+ def _c(pattern):
+     return re.compile(pattern, re.IGNORECASE)
+ 
++# Pattern to match any valid email address and not much more.
++VALID = _c(r'[\x21-\x3d\x3f\x41-\x7e]+@[a-z0-9._]+')
++
+ # This is a list of tuples of the form
+ #
+ #     (start cre, end cre, address cre)
+@@ -227,4 +230,4 @@
+                     break
+         if addrs:
+             break
+-    return addrs.keys()
++    return [x for x in addrs.keys() if VALID.match(x)]
+
+=== modified file 'Mailman/Bouncers/SimpleWarning.py'
+--- Mailman/Bouncers/SimpleWarning.py	2018-06-17 23:47:34 +0000
++++ Mailman/Bouncers/SimpleWarning.py	2020-01-17 00:03:34 +0000
+@@ -17,9 +17,10 @@
+ 
+ """Recognizes simple heuristically delimited warnings."""
+ 
++import email
++
+ from Mailman.Bouncers.BouncerAPI import Stop
+ from Mailman.Bouncers.SimpleMatch import _c
+-from Mailman.Bouncers.SimpleMatch import process as _process
+ 
+ 
+ 
+@@ -67,8 +68,25 @@
+ 
+ 
+ def process(msg):
+-    if _process(msg, patterns):
+-        # It's a recognized warning so stop now
+-        return Stop
+-    else:
+-        return []
++    # We used to just import process from SimpleMatch, but with the change in
++    # SimpleMatch to return only vaild addresses, that doesn't work any more.
++    # So, we copy most of the process from SimpleMatch here.
++    addrs = {}
++    for scre, ecre, acre in patterns:
++        state = 0
++        for line in email.Iterators.body_line_iterator(msg, decode=True):
++            if state == 0:
++                if scre.search(line):
++                    state = 1
++            if state == 1:
++                mo = acre.search(line)
++                if mo:
++                    addr = mo.group('addr')
++                    if addr:
++                        addrs[addr.strip('<>')] = 1
++                elif ecre.search(line):
++                    break
++        if addrs:
++            # It's a recognized warning so stop now
++            return Stop
++    return []
+
+--- Mailman/Bouncers/SimpleMatch.py	2020-01-17 00:03:34 +0000
++++ Mailman/Bouncers/SimpleMatch.py	2020-01-17 03:25:09 +0000
+@@ -26,7 +26,7 @@
+     return re.compile(pattern, re.IGNORECASE)
+ 
+ # Pattern to match any valid email address and not much more.
+-VALID = _c(r'[\x21-\x3d\x3f\x41-\x7e]+@[a-z0-9._]+')
++VALID = _c(r'^[\x21-\x3d\x3f\x41-\x7e]+@[a-z0-9._]+$')
+ 
+ # This is a list of tuples of the form
+ #
+
diff --git a/SPECS/mailman.spec b/SPECS/mailman.spec
index 462b1dd..301a343 100644
--- a/SPECS/mailman.spec
+++ b/SPECS/mailman.spec
@@ -3,7 +3,7 @@
 Summary: Mailing list manager with built in Web access
 Name: mailman
 Version: 2.1.29
-Release: 9%{?dist}
+Release: 10%{?dist}
 Epoch: 3
 Group: Applications/Internet
 Source0: ftp://ftp.gnu.org/pub/gnu/mailman/mailman-%{version}.tgz
@@ -30,6 +30,7 @@ Patch21: mailman-2.1.13-env-python.patch
 Patch22: mailman-2.1.15-check_perms.patch
 Patch24: mailman-specify_python_version.patch
 Patch25: mailman-CVE-2020-12137.patch
+Patch26: mailman-bouncer_oom_crash.patch
 
 
 License: GPLv2+
@@ -120,6 +121,7 @@ additional installation steps, these are described in:
 %patch22 -p1
 %patch24 -p1 -b .python_version
 %patch25 -p0 -b .cve_obj_mime
+%patch26 -p0 -b .bouncer_match
 
 #cp $RPM_SOURCE_DIR/mailman.INSTALL.REDHAT.in INSTALL.REDHAT.in
 cp %{SOURCE5} INSTALL.REDHAT.in
@@ -573,6 +575,9 @@ exit 0
 %dir %attr(775,root,%{mmgroup}) %{lockdir}
 
 %changelog
+* Mon May 25 2020 Pavel Zhukov <pzhukov@redhat.com> - 3:2.1.29-10
+- Fix match patter to reduce false allocation 
+
 * Mon May 25 2020 Pavel Zhukov <pzhukov@redhat.com> - 3:2.1.29-9
 - Fix for CVE-2020-12137