Lines Matching refs:ssh
36 int _ssh_exchange_banner(struct ssh *);
37 int _ssh_send_banner(struct ssh *, char **);
38 int _ssh_read_banner(struct ssh *, char **);
39 int _ssh_order_hostkeyalgs(struct ssh *);
40 int _ssh_verify_host_key(struct sshkey *, struct ssh *);
41 struct sshkey *_ssh_host_public_key(int, int, struct ssh *);
42 struct sshkey *_ssh_host_private_key(int, int, struct ssh *);
75 ssh_init(struct ssh **sshp, int is_server, struct kex_params *kex_params)
78 struct ssh *ssh;
90 if ((ssh = ssh_packet_set_connection(NULL, -1, -1)) == NULL)
93 ssh_packet_set_server(ssh);
97 if ((r = kex_new(ssh, proposal, &ssh->kex)) != 0) {
98 ssh_free(ssh);
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;
129 *sshp = ssh;
134 ssh_free(struct ssh *ssh)
138 ssh_packet_close(ssh);
143 while ((k = TAILQ_FIRST(&ssh->public_keys)) != NULL) {
144 TAILQ_REMOVE(&ssh->public_keys, k, next);
145 if (ssh->kex && ssh->kex->server)
149 while ((k = TAILQ_FIRST(&ssh->private_keys)) != NULL) {
150 TAILQ_REMOVE(&ssh->private_keys, k, next);
153 if (ssh->kex)
154 kex_free(ssh->kex);
155 free(ssh);
159 ssh_set_app_data(struct ssh *ssh, void *app_data)
161 ssh->app_data = app_data;
165 ssh_get_app_data(struct ssh *ssh)
167 return ssh->app_data;
172 ssh_add_hostkey(struct ssh *ssh, struct sshkey *key)
178 if (ssh->kex->server) {
188 TAILQ_INSERT_TAIL(&ssh->private_keys, k_prv, next);
192 TAILQ_INSERT_TAIL(&ssh->public_keys, k, next);
198 TAILQ_INSERT_TAIL(&ssh->public_keys, k, next);
206 ssh_set_verify_host_key_callback(struct ssh *ssh,
207 int (*cb)(struct sshkey *, struct ssh *))
209 if (cb == NULL || ssh->kex == NULL)
212 ssh->kex->verify_host_key = cb;
218 ssh_input_append(struct ssh *ssh, const u_char *data, size_t len)
220 return sshbuf_put(ssh_packet_get_input(ssh), data, len);
224 ssh_packet_next(struct ssh *ssh, u_char *typep)
235 if (ssh->kex->client_version_string == NULL ||
236 ssh->kex->server_version_string == NULL)
237 return _ssh_exchange_banner(ssh);
250 if ((r = ssh_packet_read_poll2(ssh, &type, &seqnr)) != 0)
254 ssh->dispatch[type] != NULL) {
255 if ((r = (*ssh->dispatch[type])(type, seqnr, ssh)) != 0)
265 ssh_packet_payload(struct ssh *ssh, size_t *lenp)
267 return sshpkt_ptr(ssh, lenp);
271 ssh_packet_put(struct ssh *ssh, int type, const u_char *data, size_t len)
275 if ((r = sshpkt_start(ssh, type)) != 0 ||
276 (r = sshpkt_put(ssh, data, len)) != 0 ||
277 (r = sshpkt_send(ssh)) != 0)
283 ssh_output_ptr(struct ssh *ssh, size_t *len)
285 struct sshbuf *output = ssh_packet_get_output(ssh);
292 ssh_output_consume(struct ssh *ssh, size_t len)
294 return sshbuf_consume(ssh_packet_get_output(ssh), len);
298 ssh_output_space(struct ssh *ssh, size_t len)
300 return (0 == sshbuf_check_reserve(ssh_packet_get_output(ssh), len));
304 ssh_input_space(struct ssh *ssh, size_t len)
306 return (0 == sshbuf_check_reserve(ssh_packet_get_input(ssh), len));
311 _ssh_read_banner(struct ssh *ssh, char **bannerp)
321 input = ssh_packet_get_input(ssh);
340 if (strncmp(buf, "SSH-", 4) == 0)
343 if (ssh->kex->server || ++n > 65536) {
344 if ((r = sshbuf_put(ssh_packet_get_output(ssh),
357 if (sscanf(buf, "SSH-%d.%d-%[^\n]\n",
363 ssh->compat = compat_datafellows(remote_version);
380 _ssh_send_banner(struct ssh *ssh, char **bannerp)
385 snprintf(buf, sizeof buf, "SSH-2.0-%.100s\r\n", SSH_VERSION);
386 if ((r = sshbuf_put(ssh_packet_get_output(ssh), buf, strlen(buf))) != 0)
396 _ssh_exchange_banner(struct ssh *ssh)
398 struct kex *kex = ssh->kex;
409 r = _ssh_send_banner(ssh, &kex->server_version_string);
413 r = _ssh_read_banner(ssh, &kex->client_version_string);
416 r = _ssh_read_banner(ssh, &kex->server_version_string);
420 r = _ssh_send_banner(ssh, &kex->client_version_string);
427 if ((r = _ssh_order_hostkeyalgs(ssh)) != 0 ||
428 (r = kex_send_kexinit(ssh)) != 0)
435 _ssh_host_public_key(int type, int nid, struct ssh *ssh)
440 TAILQ_FOREACH(k, &ssh->public_keys, next) {
450 _ssh_host_private_key(int type, int nid, struct ssh *ssh)
455 TAILQ_FOREACH(k, &ssh->private_keys, next) {
465 _ssh_verify_host_key(struct sshkey *hostkey, struct ssh *ssh)
470 TAILQ_FOREACH(k, &ssh->public_keys, next) {
480 _ssh_order_hostkeyalgs(struct ssh *ssh)
488 /* XXX we de-serialize ssh->kex->my, modify it, and change it */
489 if ((r = kex_buf2prop(ssh->kex->my, NULL, &proposal)) != 0)
505 TAILQ_FOREACH(k, &ssh->public_keys, next) {
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);
