crypto/openssh/packet.c

88 #include "kex.h"
238 	    (ssh->kex = kex_new()) == NULL ||
262 		kex_free(ssh->kex);
287 	    (ssh->kex != NULL && ssh->kex->done == 0);
350 	kex_free(ssh->kex);
351 	ssh->kex = NULL;
646 		kex_free(ssh->kex);
647 		ssh->kex = NULL;
855 	if (ssh->kex && ssh->kex->newkeys[mode]) {
856 		kex_free_newkeys(ssh->kex->newkeys[mode]);
857 		ssh->kex->newkeys[mode] = NULL;
900 	/* move newkeys from kex to state */
901 	if ((state->newkeys[mode] = ssh->kex->newkeys[mode]) == NULL)
903 	ssh->kex->newkeys[mode] = NULL;
1212 		if ((ssh->kex->flags & KEX_INITIAL) != 0) {
1225 	if (type == SSH2_MSG_NEWKEYS && ssh->kex->kex_strict) {
1437 	if (ssh->kex)
1623 		if ((ssh->kex->flags & KEX_INITIAL) != 0) {
1694 	if (*typep == SSH2_MSG_NEWKEYS && ssh->kex->kex_strict) {
1749 		if (ssh->kex != NULL &&
1750 		    (ssh->kex->flags & KEX_INITIAL) && ssh->kex->kex_strict)
1925 		if (ssh->kex && ssh->kex->failed_choice) {
1931 			    ssh->kex->failed_choice);
2210 	ssh->kex->server = 1; /* XXX unify? */
2248 /* turn kex into a blob for packet state serialization */
2250 kex_to_blob(struct sshbuf *m, struct kex *kex)
2254 	if ((r = sshbuf_put_u32(m, kex->we_need)) != 0 ||
2255 	    (r = sshbuf_put_cstring(m, kex->hostkey_alg)) != 0 ||
2256 	    (r = sshbuf_put_u32(m, kex->hostkey_type)) != 0 ||
2257 	    (r = sshbuf_put_u32(m, kex->hostkey_nid)) != 0 ||
2258 	    (r = sshbuf_put_u32(m, kex->kex_type)) != 0 ||
2259 	    (r = sshbuf_put_u32(m, kex->kex_strict)) != 0 ||
2260 	    (r = sshbuf_put_stringb(m, kex->my)) != 0 ||
2261 	    (r = sshbuf_put_stringb(m, kex->peer)) != 0 ||
2262 	    (r = sshbuf_put_stringb(m, kex->client_version)) != 0 ||
2263 	    (r = sshbuf_put_stringb(m, kex->server_version)) != 0 ||
2264 	    (r = sshbuf_put_stringb(m, kex->session_id)) != 0 ||
2265 	    (r = sshbuf_put_u32(m, kex->flags)) != 0)
2321 	if ((r = kex_to_blob(m, ssh->kex)) != 0 ||
2399 	ssh->kex->newkeys[mode] = newkey;
2408 /* restore kex from blob for packet state de-serialization */
2410 kex_from_blob(struct sshbuf *m, struct kex **kexp)
2412 	struct kex *kex;
2415 	if ((kex = kex_new()) == NULL)
2417 	if ((r = sshbuf_get_u32(m, &kex->we_need)) != 0 ||
2418 	    (r = sshbuf_get_cstring(m, &kex->hostkey_alg, NULL)) != 0 ||
2419 	    (r = sshbuf_get_u32(m, (u_int *)&kex->hostkey_type)) != 0 ||
2420 	    (r = sshbuf_get_u32(m, (u_int *)&kex->hostkey_nid)) != 0 ||
2421 	    (r = sshbuf_get_u32(m, &kex->kex_type)) != 0 ||
2422 	    (r = sshbuf_get_u32(m, &kex->kex_strict)) != 0 ||
2423 	    (r = sshbuf_get_stringb(m, kex->my)) != 0 ||
2424 	    (r = sshbuf_get_stringb(m, kex->peer)) != 0 ||
2425 	    (r = sshbuf_get_stringb(m, kex->client_version)) != 0 ||
2426 	    (r = sshbuf_get_stringb(m, kex->server_version)) != 0 ||
2427 	    (r = sshbuf_get_stringb(m, kex->session_id)) != 0 ||
2428 	    (r = sshbuf_get_u32(m, &kex->flags)) != 0)
2430 	kex->server = 1;
2431 	kex->done = 1;
2435 		kex_free(kex);
2440 		*kexp = kex;
2457 	if ((r = kex_from_blob(m, &ssh->kex)) != 0 ||
2677 	if (ssh->kex)