crypto/openssh/ssh_api.c

47  * stubs for the server side implementation of kex.
97 	if ((r = kex_new(ssh, proposal, &ssh->kex)) != 0) {
101 	ssh->kex->server = is_server;
104 		ssh->kex->kex[KEX_DH_GRP1_SHA1] = kexdh_server;
105 		ssh->kex->kex[KEX_DH_GRP14_SHA1] = kexdh_server;
106 		ssh->kex->kex[KEX_DH_GEX_SHA1] = kexgex_server;
107 		ssh->kex->kex[KEX_DH_GEX_SHA256] = kexgex_server;
109 		ssh->kex->kex[KEX_ECDH_SHA2] = kexecdh_server;
112 		ssh->kex->kex[KEX_C25519_SHA256] = kexc25519_server;
113 		ssh->kex->load_host_public_key=&_ssh_host_public_key;
114 		ssh->kex->load_host_private_key=&_ssh_host_private_key;
115 		ssh->kex->sign=&_ssh_host_key_sign;
118 		ssh->kex->kex[KEX_DH_GRP1_SHA1] = kexdh_client;
119 		ssh->kex->kex[KEX_DH_GRP14_SHA1] = kexdh_client;
120 		ssh->kex->kex[KEX_DH_GEX_SHA1] = kexgex_client;
121 		ssh->kex->kex[KEX_DH_GEX_SHA256] = kexgex_client;
123 		ssh->kex->kex[KEX_ECDH_SHA2] = kexecdh_client;
126 		ssh->kex->kex[KEX_C25519_SHA256] = kexc25519_client;
127 		ssh->kex->verify_host_key =&_ssh_verify_host_key;
145 		if (ssh->kex && ssh->kex->server)
153 	if (ssh->kex)
154 		kex_free(ssh->kex);
178 	if (ssh->kex->server) {
209 	if (cb == NULL || ssh->kex == NULL)
212 	ssh->kex->verify_host_key = cb;
235 	if (ssh->kex->client_version_string == NULL ||
236 	    ssh->kex->server_version_string == NULL)
343 		if (ssh->kex->server || ++n > 65536) {
398 	struct kex *kex = ssh->kex;
407 	if (kex->server) {
408 		if (kex->server_version_string == NULL)
409 			r = _ssh_send_banner(ssh, &kex->server_version_string);
411 		    kex->server_version_string != NULL &&
412 		    kex->client_version_string == NULL)
413 			r = _ssh_read_banner(ssh, &kex->client_version_string);
415 		if (kex->server_version_string == NULL)
416 			r = _ssh_read_banner(ssh, &kex->server_version_string);
418 		    kex->server_version_string != NULL &&
419 		    kex->client_version_string == NULL)
420 			r = _ssh_send_banner(ssh, &kex->client_version_string);
424 	/* start initial kex as soon as we have exchanged the banners */
425 	if (kex->server_version_string != NULL &&
426 	    kex->client_version_string != NULL) {
488 	/* XXX we de-serialize ssh->kex->my, modify it, and change it */
489 	if ((r = kex_buf2prop(ssh->kex->my, NULL, &proposal)) != 0)
517 		debug2("%s: orig/%d    %s", __func__, ssh->kex->server, orig);
518 		debug2("%s: replace/%d %s", __func__, ssh->kex->server, replace);
522 		r = kex_prop2buf(ssh->kex->my, proposal);