50 #include "ssh-gss.h"
58 static int input_kex_dh_gex_request(int, u_int32_t, struct ssh *);
59 static int input_kex_dh_gex_init(int, u_int32_t, struct ssh *);
62 kexgex_server(struct ssh *ssh)  in kexgex_server()  argument
64 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_REQUEST,  in kexgex_server()
71 input_kex_dh_gex_request(int type, u_int32_t seq, struct ssh *ssh)  in input_kex_dh_gex_request()  argument
73 	struct kex *kex = ssh->kex;  in input_kex_dh_gex_request()
79 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_REQUEST, &kex_protocol_error);  in input_kex_dh_gex_request()
81 	if ((r = sshpkt_get_u32(ssh, &min)) != 0 ||  in input_kex_dh_gex_request()
82 	    (r = sshpkt_get_u32(ssh, &nbits)) != 0 ||  in input_kex_dh_gex_request()
83 	    (r = sshpkt_get_u32(ssh, &max)) != 0 ||  in input_kex_dh_gex_request()
84 	    (r = sshpkt_get_end(ssh)) != 0)  in input_kex_dh_gex_request()
103 		(void)sshpkt_disconnect(ssh, "no matching DH grp found");  in input_kex_dh_gex_request()
109 	if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_GROUP)) != 0 ||  in input_kex_dh_gex_request()
110 	    (r = sshpkt_put_bignum2(ssh, dh_p)) != 0 ||  in input_kex_dh_gex_request()
111 	    (r = sshpkt_put_bignum2(ssh, dh_g)) != 0 ||  in input_kex_dh_gex_request()
112 	    (r = sshpkt_send(ssh)) != 0)  in input_kex_dh_gex_request()
120 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_INIT, &input_kex_dh_gex_init);  in input_kex_dh_gex_request()
127 input_kex_dh_gex_init(int type, u_int32_t seq, struct ssh *ssh)  in input_kex_dh_gex_init()  argument
129 	struct kex *kex = ssh->kex;  in input_kex_dh_gex_init()
141 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_INIT, &kex_protocol_error);  in input_kex_dh_gex_init()
143 	if ((r = kex_load_hostkey(ssh, &server_host_private,  in input_kex_dh_gex_init()
148 	if ((r = sshpkt_get_bignum2(ssh, &dh_client_pub)) != 0 ||  in input_kex_dh_gex_init()
149 	    (r = sshpkt_get_end(ssh)) != 0)  in input_kex_dh_gex_init()
184 	if ((r = kex->sign(ssh, server_host_private, server_host_public,  in input_kex_dh_gex_init()
189 	if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_REPLY)) != 0 ||  in input_kex_dh_gex_init()
190 	    (r = sshpkt_put_stringb(ssh, server_host_key_blob)) != 0 ||  in input_kex_dh_gex_init()
191 	    (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 ||     /* f */  in input_kex_dh_gex_init()
192 	    (r = sshpkt_put_string(ssh, signature, slen)) != 0 ||  in input_kex_dh_gex_init()
193 	    (r = sshpkt_send(ssh)) != 0)  in input_kex_dh_gex_init()
196 	if ((r = kex_derive_keys(ssh, hash, hashlen, shared_secret)) != 0 ||  in input_kex_dh_gex_init()
197 	    (r = kex_send_newkeys(ssh)) != 0)  in input_kex_dh_gex_init()