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Description: Patch to make 4.2.1 compatible with Debian's 4.1.0 and
4.2.0 packages 4.2.1 includes the Debian patches to extend the login
name and $TERM length, but uses even larger values. This causes
screen clients to no more be able to talk to older screen
servers. See #644788 for a discussion of the same issue with earlier
release combinations (4.1.0 vs 4.0.3).
.
For now this patch sets the mentioned values back to those which
werew in use in Debian before (and seemed to be large enough for use
in Debian).
Author: Axel Beckert <abe@debian.org>
Forwarded: no
--- a/os.h
+++ b/os.h
@@ -524,6 +524,6 @@
/* Changing those you won't be able to attach to your old sessions
* when changing those values in official tree don't forget to bump
* MSG_VERSION */
-#define MAXTERMLEN 32
-#define MAXLOGINLEN 256
+#define MAXTERMLEN 40
+#define MAXLOGINLEN 50
--- a/screen.h
+++ b/screen.h
@@ -186,7 +186,7 @@
* 4: screen version 4.2.1 (bumped once again due to changed terminal and login length)
* 5: screen version 4.4.0 (fix screenterm size)
*/
-#define MSG_VERSION 5
+#define MSG_VERSION 2
#define MSG_REVISION (('m'<<24) | ('s'<<16) | ('g'<<8) | MSG_VERSION)
struct msg
@@ -205,7 +205,7 @@
int nargs;
char line[MAXPATHLEN];
char dir[MAXPATHLEN];
- char screenterm[MAXTERMLEN + 1]; /* is screen really "screen" ? */
+ char screenterm[20]; /* is screen really "screen" ? */
}
create;
struct
--- a/socket.c
+++ b/socket.c
@@ -723,8 +723,8 @@
return;
}
if (nwin->term != nwin_undef.term)
- strncpy(m.m.create.screenterm, nwin->term, MAXTERMLEN);
- m.m.create.screenterm[MAXTERMLEN] = '\0';
+ strncpy(m.m.create.screenterm, nwin->term, 20-1);
+ m.m.create.screenterm[20-1] = '\0';
m.protocol_revision = MSG_REVISION;
debug1("SendCreateMsg writing '%s'\n", m.m.create.line);
if (write(s, (char *) &m, sizeof m) != sizeof m)
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