Drop ssh-vulnkey

Drop ssh-vulnkey and the associated ssh/ssh-add/sshd integration
code, leaving only basic configuration file compatibility, since it
has been nearly six years since the original vulnerability and this
code is not likely to be of much value any more.  See
https://lists.debian.org/debian-devel/2013/09/msg00240.html for my
full reasoning.

1 files changed, 2 insertions, 10 deletions

diff --git a/servconf.c b/servconf.c
index a2928ff57..802db1d79 100644
--- a/servconf.c
+++ b/servconf.c
@@ -114,7 +114,6 @@ initialize_server_options(ServerOptions *options)
         options->password_authentication = -1;
         options->kbd_interactive_authentication = -1;
         options->challenge_response_authentication = -1;
-        options->permit_blacklisted_keys = -1;
         options->permit_empty_passwd = -1;
         options->permit_user_env = -1;
         options->use_login = -1;
@@ -259,8 +258,6 @@ fill_default_server_options(ServerOptions *options)
                 options->kbd_interactive_authentication = 0;
         if (options->challenge_response_authentication == -1)
                 options->challenge_response_authentication = 1;
-        if (options->permit_blacklisted_keys == -1)
-                options->permit_blacklisted_keys = 0;
         if (options->permit_empty_passwd == -1)
                 options->permit_empty_passwd = 0;
         if (options->permit_user_env == -1)
@@ -344,7 +341,7 @@ typedef enum {
         sListenAddress, sAddressFamily,
         sPrintMotd, sPrintLastLog, sIgnoreRhosts,
         sX11Forwarding, sX11DisplayOffset, sX11UseLocalhost,
-        sStrictModes, sPermitBlacklistedKeys, sEmptyPasswd, sTCPKeepAlive,
+        sStrictModes, sEmptyPasswd, sTCPKeepAlive,
         sPermitUserEnvironment, sUseLogin, sAllowTcpForwarding, sCompression,
         sRekeyLimit, sAllowUsers, sDenyUsers, sAllowGroups, sDenyGroups,
         sIgnoreUserKnownHosts, sCiphers, sMacs, sProtocol, sPidFile,
@@ -458,7 +455,7 @@ static struct {
         { "x11uselocalhost", sX11UseLocalhost, SSHCFG_ALL },
         { "xauthlocation", sXAuthLocation, SSHCFG_GLOBAL },
         { "strictmodes", sStrictModes, SSHCFG_GLOBAL },
-        { "permitblacklistedkeys", sPermitBlacklistedKeys, SSHCFG_GLOBAL },
+        { "permitblacklistedkeys", sDeprecated, SSHCFG_GLOBAL },
         { "permitemptypasswords", sEmptyPasswd, SSHCFG_ALL },
         { "permituserenvironment", sPermitUserEnvironment, SSHCFG_GLOBAL },
         { "uselogin", sUseLogin, SSHCFG_GLOBAL },
@@ -1167,10 +1164,6 @@ process_server_config_line(ServerOptions *options, char *line,
                 intptr = &options->tcp_keep_alive;
                 goto parse_flag;
 
-        case sPermitBlacklistedKeys:
-                intptr = &options->permit_blacklisted_keys;
-                goto parse_flag;
-
         case sEmptyPasswd:
                 intptr = &options->permit_empty_passwd;
                 goto parse_flag;
@@ -2053,7 +2046,6 @@ dump_config(ServerOptions *o)
         dump_cfg_fmtint(sX11UseLocalhost, o->x11_use_localhost);
         dump_cfg_fmtint(sStrictModes, o->strict_modes);
         dump_cfg_fmtint(sTCPKeepAlive, o->tcp_keep_alive);
-        dump_cfg_fmtint(sPermitBlacklistedKeys, o->permit_blacklisted_keys);
         dump_cfg_fmtint(sEmptyPasswd, o->permit_empty_passwd);
         dump_cfg_fmtint(sPermitUserEnvironment, o->permit_user_env);
         dump_cfg_fmtint(sUseLogin, o->use_login);