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openSUSE:Step:15-SP6
openssh
openssh-7.7p1-IPv6_X_forwarding.patch
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File openssh-7.7p1-IPv6_X_forwarding.patch of Package openssh
# HG changeset patch # Parent 8df645ca39d64de025d8838c5713812e72308c92 Correctly parse DISPLAY variable for cases where it contains an IPv6 address (which should - but not always is - in (square) brackets). bnc#847710 - https://bugzilla.novell.com/show_bug.cgi?id=847710 Index: openssh-8.8p1/channels.c =================================================================== --- openssh-8.8p1.orig/channels.c +++ openssh-8.8p1/channels.c @@ -4776,9 +4776,10 @@ x11_connect_display(struct ssh *ssh) /* * Connect to an inet socket. The DISPLAY value is supposedly * hostname:d[.s], where hostname may also be numeric IP address. + * Note that IPv6 numeric addresses contain colons (e.g. ::1:0) */ strlcpy(buf, display, sizeof(buf)); - cp = strchr(buf, ':'); + cp = strrchr(buf, ':'); if (!cp) { error("Could not find ':' in DISPLAY: %.100s", display); return -1; @@ -4793,6 +4794,14 @@ x11_connect_display(struct ssh *ssh) display); return -1; } + + /* Remove brackets surrounding IPv6 addresses if there are any. */ + if (buf[0] == '[' && (cp = strchr(buf, ']'))) { + *cp = 0; + cp = buf + 1; + } else { + cp = buf; + } /* Look up the host address */ memset(&hints, 0, sizeof(hints));
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