diff --git a/SOURCES/screen-reattach.patch b/SOURCES/screen-reattach.patch
new file mode 100644
index 0000000..d309d1a
--- /dev/null
+++ b/SOURCES/screen-reattach.patch
@@ -0,0 +1,141 @@
+diff --git a/src/attacher.c b/src/attacher.c
+index 460f1ea..5982a93 100644
+--- a/src/attacher.c
++++ b/src/attacher.c
+@@ -133,6 +133,48 @@ struct msg *m;
+ return 0;
+ }
+
++int
++WriteOldMessage(struct msg *m)
++{
++ sleep(1); /* give the server some time to reopen the pipe */
++ if (m->type == MSG_ATTACH && (m->m.attach.detachfirst == MSG_ATTACH ||
++ m->m.attach.detachfirst == MSG_DETACH ||
++ m->m.attach.detachfirst == MSG_POW_DETACH))
++ {
++ struct old_msg old_m;
++ int s;
++ int r, l = sizeof(old_m);
++
++ s = MakeClientSocket(0);
++ if (s < 0)
++ return 0;
++ old_m.protocol_revision = (('m'<<24) | ('s'<<16) | ('g'<<8) | 2);
++ old_m.type = m->type;
++ memcpy(old_m.m_tty, m->m_tty, sizeof(old_m.m_tty));
++ memcpy(old_m.m.attach.auser, m->m.attach.auser, sizeof(old_m.m.attach.auser));
++ old_m.m.attach.apid = m->m.attach.apid;
++ old_m.m.attach.adaptflag = m->m.attach.adaptflag;
++ old_m.m.attach.lines = m->m.attach.lines;
++ old_m.m.attach.columns = m->m.attach.columns;
++ memcpy(old_m.m.attach.preselect, m->m.attach.preselect, sizeof(old_m.m.attach.preselect));
++ old_m.m.attach.esc = m->m.attach.esc;
++ old_m.m.attach.meta_esc = m->m.attach.meta_esc;
++ memcpy(old_m.m.attach.envterm, m->m.attach.envterm, sizeof(old_m.m.attach.envterm));
++ old_m.m.attach.encoding = m->m.attach.encoding;
++ while(l > 0)
++ {
++ r = write(s, (char *)&old_m + (sizeof(struct old_msg) - l), l);
++ if (r == -1 && errno == EINTR)
++ continue;
++ if (r == -1 || r == 0)
++ return -1;
++ l -= r;
++ }
++ close(s);
++ }
++ return 0;
++}
++
+
+ int
+ Attach(how)
+@@ -397,6 +439,7 @@ int how;
+ if (WriteMessage(lasts, &m))
+ Panic(errno, "WriteMessage");
+ close(lasts);
++ WriteOldMessage(&m);
+ debug1("Attach(%d): sent\n", m.type);
+ #ifdef MULTIUSER
+ if (multi && (how == MSG_ATTACH || how == MSG_CONT))
+diff --git a/src/screen.h b/src/screen.h
+index b95f8a2..fb4a8d4 100644
+--- a/src/screen.h
++++ b/src/screen.h
+@@ -240,6 +240,60 @@ struct msg
+ } m;
+ };
+
++struct old_msg
++{
++ int protocol_revision; /* reduce harm done by incompatible messages */
++ int type;
++ char m_tty[MAXPATHLEN]; /* ttyname */
++ union
++ {
++ struct
++ {
++ int lflag;
++ int aflag;
++ int flowflag;
++ int hheight; /* size of scrollback buffer */
++ int nargs;
++ char line[MAXPATHLEN];
++ char dir[MAXPATHLEN];
++ char screenterm[20]; /* is screen really "screen" ? */
++ }
++ create;
++ struct
++ {
++ char auser[20 + 1]; /* username */
++ int apid; /* pid of frontend */
++ int adaptflag; /* adapt window size? */
++ int lines, columns; /* display size */
++ char preselect[20];
++ int esc; /* his new escape character unless -1 */
++ int meta_esc; /* his new meta esc character unless -1 */
++ char envterm[40 + 1]; /* terminal type */
++ int encoding; /* encoding of display */
++ int detachfirst;
++ }
++ attach;
++ struct
++ {
++ char duser[20 + 1]; /* username */
++ int dpid; /* pid of frontend */
++ }
++ detach;
++ struct
++ {
++ char auser[20 + 1]; /* username */
++ int nargs;
++ char cmd[MAXPATHLEN]; /* command */
++ int apid; /* pid of frontend */
++ char preselect[20];
++ char writeback[MAXPATHLEN];
++ }
++ command;
++ char message[MAXPATHLEN * 2];
++ } m;
++};
++
++
+ /*
+ * And the signals the attacher receives from the backend
+ */
+diff --git a/src/socket.c b/src/socket.c
+index 32c5047..d5a3d74 100644
+--- a/src/socket.c
++++ b/src/socket.c
+@@ -1067,7 +1067,9 @@ ReceiveMsg()
+ }
+ if (left > 0)
+ {
+- if (left != sizeof(m))
++ if (left == sizeof(struct msg) - sizeof(struct old_msg))
++ ;/* old format message, ignore */
++ else if (left != sizeof(m))
+ Msg(0, "Message %d of %d bytes too small", left, (int)sizeof(m));
+ else
+ debug("No data on socket.\n");
diff --git a/SPECS/screen.spec b/SPECS/screen.spec
index 063dfed..b9a4b3a 100644
--- a/SPECS/screen.spec
+++ b/SPECS/screen.spec
@@ -4,7 +4,7 @@
Summary: A screen manager that supports multiple logins on one terminal
Name: screen
Version: 4.1.0
-Release: 0.21.20120314git3c2946%{?dist}
+Release: 0.22.20120314git3c2946%{?dist}
License: GPLv2+
Group: Applications/System
URL: http://www.gnu.org/software/screen
@@ -34,6 +34,7 @@ Patch9: screen-4.1.0-long-term.patch
Patch10: screen-help-update.patch
Patch11: screen-altscreen.patch
Patch12: screen-fix-term.patch
+Patch13: screen-reattach.patch
%description
The screen utility allows you to have multiple logins on just one
@@ -59,6 +60,7 @@ support multiple logins on one terminal.
%patch10 -p2 -b .help-update
%patch11 -p2 -b .altscreen.patch
%patch12 -p2 -b .fix-term
+%patch13 -p2 -b .cannot-reattach
%build
@@ -155,6 +157,10 @@ fi
%endif
%changelog
+* Tue Jun 30 2015 Petr Hracek <phracek@redhat.com> - 4.1.0-0.22.20120314git3c2946
+- cannot reattach to screen sessions (regression 'LoginName to long')
+- Resolves: #1253697
+
* Tue Jun 30 2015 Petr Hracek <phracek@redhat.com> - 4.1.0-0.21.20120314git3c2946
- 'LoginName too long' with login name greater then 20 characters
- Resolves: #1119794