1 files changed, 70 insertions, 0 deletions

diff --git a/readconf.c b/readconf.c
index 554efd7c9..57dae55d1 100644
--- a/readconf.c
+++ b/readconf.c
@@ -67,6 +67,7 @@
 #include "uidswap.h"
 #include "myproposal.h"
 #include "digest.h"
+#include "ssh-gss.h"
 
 /* Format of the configuration file:
 
@@ -160,6 +161,8 @@ typedef enum {
         oClearAllForwardings, oNoHostAuthenticationForLocalhost,
         oEnableSSHKeysign, oRekeyLimit, oVerifyHostKeyDNS, oConnectTimeout,
         oAddressFamily, oGssAuthentication, oGssDelegateCreds,
+        oGssTrustDns, oGssKeyEx, oGssClientIdentity, oGssRenewalRekey,
+        oGssServerIdentity, oGssKexAlgorithms,
         oServerAliveInterval, oServerAliveCountMax, oIdentitiesOnly,
         oSendEnv, oSetEnv, oControlPath, oControlMaster, oControlPersist,
         oHashKnownHosts,
@@ -204,10 +207,22 @@ static struct {
         /* Sometimes-unsupported options */
 #if defined(GSSAPI)
         { "gssapiauthentication", oGssAuthentication },
+        { "gssapikeyexchange", oGssKeyEx },
         { "gssapidelegatecredentials", oGssDelegateCreds },
+        { "gssapitrustdns", oGssTrustDns },
+        { "gssapiclientidentity", oGssClientIdentity },
+        { "gssapiserveridentity", oGssServerIdentity },
+        { "gssapirenewalforcesrekey", oGssRenewalRekey },
+        { "gssapikexalgorithms", oGssKexAlgorithms },
 # else
         { "gssapiauthentication", oUnsupported },
+        { "gssapikeyexchange", oUnsupported },
         { "gssapidelegatecredentials", oUnsupported },
+        { "gssapitrustdns", oUnsupported },
+        { "gssapiclientidentity", oUnsupported },
+        { "gssapiserveridentity", oUnsupported },
+        { "gssapirenewalforcesrekey", oUnsupported },
+        { "gssapikexalgorithms", oUnsupported },
 #endif
 #ifdef ENABLE_PKCS11
         { "pkcs11provider", oPKCS11Provider },
@@ -1068,10 +1083,42 @@ parse_time:
                 intptr = &options->gss_authentication;
                 goto parse_flag;
 
+        case oGssKeyEx:
+                intptr = &options->gss_keyex;
+                goto parse_flag;
+
         case oGssDelegateCreds:
                 intptr = &options->gss_deleg_creds;
                 goto parse_flag;
 
+        case oGssTrustDns:
+                intptr = &options->gss_trust_dns;
+                goto parse_flag;
+
+        case oGssClientIdentity:
+                charptr = &options->gss_client_identity;
+                goto parse_string;
+
+        case oGssServerIdentity:
+                charptr = &options->gss_server_identity;
+                goto parse_string;
+
+        case oGssRenewalRekey:
+                intptr = &options->gss_renewal_rekey;
+                goto parse_flag;
+
+        case oGssKexAlgorithms:
+                arg = strdelim(&s);
+                if (!arg || *arg == '\0')
+                        fatal("%.200s line %d: Missing argument.",
+                            filename, linenum);
+                if (!kex_gss_names_valid(arg))
+                        fatal("%.200s line %d: Bad GSSAPI KexAlgorithms '%s'.",
+                            filename, linenum, arg ? arg : "<NONE>");
+                if (*activep && options->gss_kex_algorithms == NULL)
+                        options->gss_kex_algorithms = xstrdup(arg);
+                break;
+
         case oBatchMode:
                 intptr = &options->batch_mode;
                 goto parse_flag;
@@ -1976,7 +2023,13 @@ initialize_options(Options * options)
         options->pubkey_authentication = -1;
         options->challenge_response_authentication = -1;
         options->gss_authentication = -1;
+        options->gss_keyex = -1;
         options->gss_deleg_creds = -1;
+        options->gss_trust_dns = -1;
+        options->gss_renewal_rekey = -1;
+        options->gss_client_identity = NULL;
+        options->gss_server_identity = NULL;
+        options->gss_kex_algorithms = NULL;
         options->password_authentication = -1;
         options->kbd_interactive_authentication = -1;
         options->kbd_interactive_devices = NULL;
@@ -2125,8 +2178,18 @@ fill_default_options(Options * options)
                 options->challenge_response_authentication = 1;
         if (options->gss_authentication == -1)
                 options->gss_authentication = 0;
+        if (options->gss_keyex == -1)
+                options->gss_keyex = 0;
         if (options->gss_deleg_creds == -1)
                 options->gss_deleg_creds = 0;
+        if (options->gss_trust_dns == -1)
+                options->gss_trust_dns = 0;
+        if (options->gss_renewal_rekey == -1)
+                options->gss_renewal_rekey = 0;
+#ifdef GSSAPI
+        if (options->gss_kex_algorithms == NULL)
+                options->gss_kex_algorithms = strdup(GSS_KEX_DEFAULT_KEX);
+#endif
         if (options->password_authentication == -1)
                 options->password_authentication = 1;
         if (options->kbd_interactive_authentication == -1)
@@ -2776,7 +2839,14 @@ dump_client_config(Options *o, const char *host)
         dump_cfg_fmtint(oGatewayPorts, o->fwd_opts.gateway_ports);
 #ifdef GSSAPI
         dump_cfg_fmtint(oGssAuthentication, o->gss_authentication);
+        dump_cfg_fmtint(oGssKeyEx, o->gss_keyex);
         dump_cfg_fmtint(oGssDelegateCreds, o->gss_deleg_creds);
+        dump_cfg_fmtint(oGssTrustDns, o->gss_trust_dns);
+        dump_cfg_fmtint(oGssRenewalRekey, o->gss_renewal_rekey);
+        dump_cfg_string(oGssClientIdentity, o->gss_client_identity);
+        dump_cfg_string(oGssServerIdentity, o->gss_server_identity);
+        dump_cfg_string(oGssKexAlgorithms, o->gss_kex_algorithms ?
+            o->gss_kex_algorithms : GSS_KEX_DEFAULT_KEX);
 #endif /* GSSAPI */
         dump_cfg_fmtint(oHashKnownHosts, o->hash_known_hosts);
         dump_cfg_fmtint(oHostbasedAuthentication, o->hostbased_authentication);