Annotation of src/usr.bin/ssh/ssh_api.c, Revision 1.29
1.29 ! djm 1: /* $OpenBSD: ssh_api.c,v 1.28 2024/01/09 21:39:14 djm Exp $ */
1.1 markus 2: /*
3: * Copyright (c) 2012 Markus Friedl. All rights reserved.
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
1.16 djm 17:
18: #include <sys/types.h>
19:
20: #include <stdio.h>
21: #include <stdlib.h>
1.1 markus 22:
23: #include "ssh_api.h"
24: #include "compat.h"
25: #include "log.h"
26: #include "authfile.h"
27: #include "sshkey.h"
1.29 ! djm 28: #include "dh.h"
1.1 markus 29: #include "misc.h"
30: #include "ssh2.h"
31: #include "version.h"
32: #include "myproposal.h"
33: #include "ssherr.h"
34: #include "sshbuf.h"
35:
36: #include <string.h>
37:
38: int _ssh_exchange_banner(struct ssh *);
1.9 djm 39: int _ssh_send_banner(struct ssh *, struct sshbuf *);
40: int _ssh_read_banner(struct ssh *, struct sshbuf *);
1.1 markus 41: int _ssh_order_hostkeyalgs(struct ssh *);
42: int _ssh_verify_host_key(struct sshkey *, struct ssh *);
1.2 djm 43: struct sshkey *_ssh_host_public_key(int, int, struct ssh *);
44: struct sshkey *_ssh_host_private_key(int, int, struct ssh *);
1.10 djm 45: int _ssh_host_key_sign(struct ssh *, struct sshkey *, struct sshkey *,
46: u_char **, size_t *, const u_char *, size_t, const char *);
1.1 markus 47:
48: /*
1.29 ! djm 49: * stubs for privsep calls in the server side implementation of kex.
1.1 markus 50: */
51: int mm_sshkey_sign(struct sshkey *, u_char **, u_int *,
1.21 djm 52: const u_char *, u_int, const char *, const char *, const char *, u_int);
1.17 djm 53:
54: #ifdef WITH_OPENSSL
1.1 markus 55: DH *mm_choose_dh(int, int, int);
1.17 djm 56: #endif
1.1 markus 57:
58: int
59: mm_sshkey_sign(struct sshkey *key, u_char **sigp, u_int *lenp,
1.21 djm 60: const u_char *data, u_int datalen, const char *alg,
61: const char *sk_provider, const char *sk_pin, u_int compat)
1.1 markus 62: {
1.29 ! djm 63: size_t slen = 0;
! 64: int ret;
! 65:
! 66: ret = sshkey_sign(key, sigp, &slen, data, datalen, alg,
! 67: sk_provider, sk_pin, compat);
! 68: *lenp = slen;
! 69: return ret;
1.1 markus 70: }
71:
1.17 djm 72: #ifdef WITH_OPENSSL
1.1 markus 73: DH *
74: mm_choose_dh(int min, int nbits, int max)
75: {
1.29 ! djm 76: return choose_dh(min, nbits, max);
1.1 markus 77: }
1.17 djm 78: #endif
1.1 markus 79:
80: /* API */
81:
82: int
83: ssh_init(struct ssh **sshp, int is_server, struct kex_params *kex_params)
84: {
1.27 djm 85: char *myproposal[PROPOSAL_MAX] = { KEX_CLIENT };
1.28 djm 86: char *populated[PROPOSAL_MAX];
1.1 markus 87: struct ssh *ssh;
88: char **proposal;
89: static int called;
90: int r;
91:
92: if (!called) {
1.17 djm 93: #ifdef WITH_OPENSSL
1.1 markus 94: OpenSSL_add_all_algorithms();
1.17 djm 95: #endif
1.1 markus 96: called = 1;
97: }
98:
1.3 djm 99: if ((ssh = ssh_packet_set_connection(NULL, -1, -1)) == NULL)
100: return SSH_ERR_ALLOC_FAIL;
1.1 markus 101: if (is_server)
102: ssh_packet_set_server(ssh);
103:
104: /* Initialize key exchange */
105: proposal = kex_params ? kex_params->proposal : myproposal;
1.28 djm 106: kex_proposal_populate_entries(ssh, populated,
107: proposal[PROPOSAL_KEX_ALGS],
108: proposal[PROPOSAL_ENC_ALGS_CTOS],
109: proposal[PROPOSAL_MAC_ALGS_CTOS],
110: proposal[PROPOSAL_COMP_ALGS_CTOS],
111: proposal[PROPOSAL_SERVER_HOST_KEY_ALGS]);
112: r = kex_ready(ssh, populated);
113: kex_proposal_free_entries(populated);
114: if (r != 0) {
1.1 markus 115: ssh_free(ssh);
116: return r;
117: }
1.28 djm 118:
1.1 markus 119: ssh->kex->server = is_server;
120: if (is_server) {
121: #ifdef WITH_OPENSSL
1.15 djm 122: ssh->kex->kex[KEX_DH_GRP1_SHA1] = kex_gen_server;
123: ssh->kex->kex[KEX_DH_GRP14_SHA1] = kex_gen_server;
124: ssh->kex->kex[KEX_DH_GRP14_SHA256] = kex_gen_server;
125: ssh->kex->kex[KEX_DH_GRP16_SHA512] = kex_gen_server;
126: ssh->kex->kex[KEX_DH_GRP18_SHA512] = kex_gen_server;
1.1 markus 127: ssh->kex->kex[KEX_DH_GEX_SHA1] = kexgex_server;
128: ssh->kex->kex[KEX_DH_GEX_SHA256] = kexgex_server;
1.15 djm 129: ssh->kex->kex[KEX_ECDH_SHA2] = kex_gen_server;
1.1 markus 130: #endif /* WITH_OPENSSL */
1.15 djm 131: ssh->kex->kex[KEX_C25519_SHA256] = kex_gen_server;
1.24 djm 132: ssh->kex->kex[KEX_KEM_SNTRUP761X25519_SHA512] = kex_gen_server;
1.1 markus 133: ssh->kex->load_host_public_key=&_ssh_host_public_key;
134: ssh->kex->load_host_private_key=&_ssh_host_private_key;
135: ssh->kex->sign=&_ssh_host_key_sign;
136: } else {
137: #ifdef WITH_OPENSSL
1.15 djm 138: ssh->kex->kex[KEX_DH_GRP1_SHA1] = kex_gen_client;
139: ssh->kex->kex[KEX_DH_GRP14_SHA1] = kex_gen_client;
140: ssh->kex->kex[KEX_DH_GRP14_SHA256] = kex_gen_client;
141: ssh->kex->kex[KEX_DH_GRP16_SHA512] = kex_gen_client;
142: ssh->kex->kex[KEX_DH_GRP18_SHA512] = kex_gen_client;
1.1 markus 143: ssh->kex->kex[KEX_DH_GEX_SHA1] = kexgex_client;
144: ssh->kex->kex[KEX_DH_GEX_SHA256] = kexgex_client;
1.15 djm 145: ssh->kex->kex[KEX_ECDH_SHA2] = kex_gen_client;
1.1 markus 146: #endif /* WITH_OPENSSL */
1.15 djm 147: ssh->kex->kex[KEX_C25519_SHA256] = kex_gen_client;
1.24 djm 148: ssh->kex->kex[KEX_KEM_SNTRUP761X25519_SHA512] = kex_gen_client;
1.1 markus 149: ssh->kex->verify_host_key =&_ssh_verify_host_key;
150: }
151: *sshp = ssh;
152: return 0;
153: }
154:
155: void
156: ssh_free(struct ssh *ssh)
157: {
158: struct key_entry *k;
1.23 djm 159:
160: if (ssh == NULL)
161: return;
1.1 markus 162:
163: /*
164: * we've only created the public keys variants in case we
165: * are a acting as a server.
166: */
167: while ((k = TAILQ_FIRST(&ssh->public_keys)) != NULL) {
168: TAILQ_REMOVE(&ssh->public_keys, k, next);
169: if (ssh->kex && ssh->kex->server)
170: sshkey_free(k->key);
171: free(k);
172: }
173: while ((k = TAILQ_FIRST(&ssh->private_keys)) != NULL) {
174: TAILQ_REMOVE(&ssh->private_keys, k, next);
175: free(k);
176: }
1.20 markus 177: ssh_packet_close(ssh);
1.1 markus 178: free(ssh);
179: }
180:
181: void
182: ssh_set_app_data(struct ssh *ssh, void *app_data)
183: {
184: ssh->app_data = app_data;
185: }
186:
187: void *
188: ssh_get_app_data(struct ssh *ssh)
189: {
190: return ssh->app_data;
191: }
192:
193: /* Returns < 0 on error, 0 otherwise */
194: int
195: ssh_add_hostkey(struct ssh *ssh, struct sshkey *key)
196: {
197: struct sshkey *pubkey = NULL;
198: struct key_entry *k = NULL, *k_prv = NULL;
199: int r;
200:
201: if (ssh->kex->server) {
202: if ((r = sshkey_from_private(key, &pubkey)) != 0)
203: return r;
204: if ((k = malloc(sizeof(*k))) == NULL ||
205: (k_prv = malloc(sizeof(*k_prv))) == NULL) {
206: free(k);
207: sshkey_free(pubkey);
208: return SSH_ERR_ALLOC_FAIL;
209: }
210: k_prv->key = key;
211: TAILQ_INSERT_TAIL(&ssh->private_keys, k_prv, next);
212:
213: /* add the public key, too */
214: k->key = pubkey;
215: TAILQ_INSERT_TAIL(&ssh->public_keys, k, next);
216: r = 0;
217: } else {
218: if ((k = malloc(sizeof(*k))) == NULL)
219: return SSH_ERR_ALLOC_FAIL;
220: k->key = key;
221: TAILQ_INSERT_TAIL(&ssh->public_keys, k, next);
222: r = 0;
223: }
224:
225: return r;
226: }
227:
228: int
229: ssh_set_verify_host_key_callback(struct ssh *ssh,
230: int (*cb)(struct sshkey *, struct ssh *))
231: {
232: if (cb == NULL || ssh->kex == NULL)
233: return SSH_ERR_INVALID_ARGUMENT;
234:
235: ssh->kex->verify_host_key = cb;
236:
237: return 0;
238: }
239:
240: int
241: ssh_input_append(struct ssh *ssh, const u_char *data, size_t len)
242: {
243: return sshbuf_put(ssh_packet_get_input(ssh), data, len);
244: }
245:
246: int
247: ssh_packet_next(struct ssh *ssh, u_char *typep)
248: {
249: int r;
250: u_int32_t seqnr;
251: u_char type;
252:
253: /*
254: * Try to read a packet. Return SSH_MSG_NONE if no packet or not
255: * enough data.
256: */
257: *typep = SSH_MSG_NONE;
1.9 djm 258: if (sshbuf_len(ssh->kex->client_version) == 0 ||
259: sshbuf_len(ssh->kex->server_version) == 0)
1.1 markus 260: return _ssh_exchange_banner(ssh);
261: /*
262: * If we enough data and a dispatch function then
263: * call the function and get the next packet.
264: * Otherwise return the packet type to the caller so it
265: * can decide how to go on.
266: *
267: * We will only call the dispatch function for:
268: * 20-29 Algorithm negotiation
269: * 30-49 Key exchange method specific (numbers can be reused for
270: * different authentication methods)
271: */
272: for (;;) {
273: if ((r = ssh_packet_read_poll2(ssh, &type, &seqnr)) != 0)
274: return r;
275: if (type > 0 && type < DISPATCH_MAX &&
276: type >= SSH2_MSG_KEXINIT && type <= SSH2_MSG_TRANSPORT_MAX &&
277: ssh->dispatch[type] != NULL) {
278: if ((r = (*ssh->dispatch[type])(type, seqnr, ssh)) != 0)
279: return r;
280: } else {
281: *typep = type;
282: return 0;
283: }
284: }
285: }
286:
287: const u_char *
288: ssh_packet_payload(struct ssh *ssh, size_t *lenp)
289: {
290: return sshpkt_ptr(ssh, lenp);
291: }
292:
293: int
294: ssh_packet_put(struct ssh *ssh, int type, const u_char *data, size_t len)
295: {
296: int r;
297:
298: if ((r = sshpkt_start(ssh, type)) != 0 ||
299: (r = sshpkt_put(ssh, data, len)) != 0 ||
300: (r = sshpkt_send(ssh)) != 0)
301: return r;
302: return 0;
303: }
304:
305: const u_char *
306: ssh_output_ptr(struct ssh *ssh, size_t *len)
307: {
308: struct sshbuf *output = ssh_packet_get_output(ssh);
309:
310: *len = sshbuf_len(output);
311: return sshbuf_ptr(output);
312: }
313:
314: int
315: ssh_output_consume(struct ssh *ssh, size_t len)
316: {
317: return sshbuf_consume(ssh_packet_get_output(ssh), len);
318: }
319:
320: int
321: ssh_output_space(struct ssh *ssh, size_t len)
322: {
323: return (0 == sshbuf_check_reserve(ssh_packet_get_output(ssh), len));
324: }
325:
326: int
327: ssh_input_space(struct ssh *ssh, size_t len)
328: {
329: return (0 == sshbuf_check_reserve(ssh_packet_get_input(ssh), len));
330: }
331:
332: /* Read other side's version identification. */
333: int
1.9 djm 334: _ssh_read_banner(struct ssh *ssh, struct sshbuf *banner)
1.1 markus 335: {
1.9 djm 336: struct sshbuf *input = ssh_packet_get_input(ssh);
1.1 markus 337: const char *mismatch = "Protocol mismatch.\r\n";
1.9 djm 338: const u_char *s = sshbuf_ptr(input);
339: u_char c;
1.18 dtucker 340: char *cp = NULL, *remote_version = NULL;
341: int r = 0, remote_major, remote_minor, expect_nl;
1.9 djm 342: size_t n, j;
1.1 markus 343:
344: for (j = n = 0;;) {
1.9 djm 345: sshbuf_reset(banner);
346: expect_nl = 0;
347: for (;;) {
348: if (j >= sshbuf_len(input))
349: return 0; /* insufficient data in input buf */
350: c = s[j++];
351: if (c == '\r') {
352: expect_nl = 1;
353: continue;
1.1 markus 354: }
1.9 djm 355: if (c == '\n')
1.1 markus 356: break;
1.9 djm 357: if (expect_nl)
358: goto bad;
359: if ((r = sshbuf_put_u8(banner, c)) != 0)
360: return r;
361: if (sshbuf_len(banner) > SSH_MAX_BANNER_LEN)
362: goto bad;
1.1 markus 363: }
1.9 djm 364: if (sshbuf_len(banner) >= 4 &&
365: memcmp(sshbuf_ptr(banner), "SSH-", 4) == 0)
1.1 markus 366: break;
1.22 djm 367: debug_f("%.*s", (int)sshbuf_len(banner),
1.18 dtucker 368: sshbuf_ptr(banner));
1.9 djm 369: /* Accept lines before banner only on client */
370: if (ssh->kex->server || ++n > SSH_MAX_PRE_BANNER_LINES) {
371: bad:
1.1 markus 372: if ((r = sshbuf_put(ssh_packet_get_output(ssh),
1.27 djm 373: mismatch, strlen(mismatch))) != 0)
1.1 markus 374: return r;
375: return SSH_ERR_NO_PROTOCOL_VERSION;
376: }
377: }
378: if ((r = sshbuf_consume(input, j)) != 0)
379: return r;
380:
1.9 djm 381: /* XXX remote version must be the same size as banner for sscanf */
1.18 dtucker 382: if ((cp = sshbuf_dup_string(banner)) == NULL ||
383: (remote_version = calloc(1, sshbuf_len(banner))) == NULL) {
384: r = SSH_ERR_ALLOC_FAIL;
385: goto out;
386: }
1.9 djm 387:
1.1 markus 388: /*
389: * Check that the versions match. In future this might accept
390: * several versions and set appropriate flags to handle them.
391: */
1.9 djm 392: if (sscanf(cp, "SSH-%d.%d-%[^\n]\n",
1.18 dtucker 393: &remote_major, &remote_minor, remote_version) != 3) {
394: r = SSH_ERR_INVALID_FORMAT;
395: goto out;
396: }
1.1 markus 397: debug("Remote protocol version %d.%d, remote software version %.100s",
398: remote_major, remote_minor, remote_version);
399:
1.25 djm 400: compat_banner(ssh, remote_version);
1.1 markus 401: if (remote_major == 1 && remote_minor == 99) {
402: remote_major = 2;
403: remote_minor = 0;
404: }
405: if (remote_major != 2)
1.18 dtucker 406: r = SSH_ERR_PROTOCOL_MISMATCH;
407:
1.9 djm 408: debug("Remote version string %.100s", cp);
1.18 dtucker 409: out:
1.9 djm 410: free(cp);
1.18 dtucker 411: free(remote_version);
412: return r;
1.1 markus 413: }
414:
415: /* Send our own protocol version identification. */
416: int
1.9 djm 417: _ssh_send_banner(struct ssh *ssh, struct sshbuf *banner)
1.1 markus 418: {
1.9 djm 419: char *cp;
1.1 markus 420: int r;
421:
1.9 djm 422: if ((r = sshbuf_putf(banner, "SSH-2.0-%.100s\r\n", SSH_VERSION)) != 0)
423: return r;
424: if ((r = sshbuf_putb(ssh_packet_get_output(ssh), banner)) != 0)
425: return r;
426: /* Remove trailing \r\n */
427: if ((r = sshbuf_consume_end(banner, 2)) != 0)
1.1 markus 428: return r;
1.9 djm 429: if ((cp = sshbuf_dup_string(banner)) == NULL)
1.1 markus 430: return SSH_ERR_ALLOC_FAIL;
1.9 djm 431: debug("Local version string %.100s", cp);
432: free(cp);
1.1 markus 433: return 0;
434: }
435:
436: int
437: _ssh_exchange_banner(struct ssh *ssh)
438: {
439: struct kex *kex = ssh->kex;
440: int r;
441:
442: /*
443: * if _ssh_read_banner() cannot parse a full version string
444: * it will return NULL and we end up calling it again.
445: */
446:
447: r = 0;
448: if (kex->server) {
1.9 djm 449: if (sshbuf_len(ssh->kex->server_version) == 0)
450: r = _ssh_send_banner(ssh, ssh->kex->server_version);
1.1 markus 451: if (r == 0 &&
1.9 djm 452: sshbuf_len(ssh->kex->server_version) != 0 &&
453: sshbuf_len(ssh->kex->client_version) == 0)
454: r = _ssh_read_banner(ssh, ssh->kex->client_version);
1.1 markus 455: } else {
1.9 djm 456: if (sshbuf_len(ssh->kex->server_version) == 0)
457: r = _ssh_read_banner(ssh, ssh->kex->server_version);
1.1 markus 458: if (r == 0 &&
1.9 djm 459: sshbuf_len(ssh->kex->server_version) != 0 &&
460: sshbuf_len(ssh->kex->client_version) == 0)
461: r = _ssh_send_banner(ssh, ssh->kex->client_version);
1.1 markus 462: }
463: if (r != 0)
464: return r;
465: /* start initial kex as soon as we have exchanged the banners */
1.9 djm 466: if (sshbuf_len(ssh->kex->server_version) != 0 &&
467: sshbuf_len(ssh->kex->client_version) != 0) {
1.1 markus 468: if ((r = _ssh_order_hostkeyalgs(ssh)) != 0 ||
469: (r = kex_send_kexinit(ssh)) != 0)
470: return r;
471: }
472: return 0;
473: }
474:
475: struct sshkey *
1.2 djm 476: _ssh_host_public_key(int type, int nid, struct ssh *ssh)
1.1 markus 477: {
478: struct key_entry *k;
479:
1.22 djm 480: debug3_f("need %d", type);
1.1 markus 481: TAILQ_FOREACH(k, &ssh->public_keys, next) {
1.22 djm 482: debug3_f("check %s", sshkey_type(k->key));
1.2 djm 483: if (k->key->type == type &&
484: (type != KEY_ECDSA || k->key->ecdsa_nid == nid))
1.1 markus 485: return (k->key);
486: }
487: return (NULL);
488: }
489:
490: struct sshkey *
1.2 djm 491: _ssh_host_private_key(int type, int nid, struct ssh *ssh)
1.1 markus 492: {
493: struct key_entry *k;
494:
1.22 djm 495: debug3_f("need %d", type);
1.1 markus 496: TAILQ_FOREACH(k, &ssh->private_keys, next) {
1.22 djm 497: debug3_f("check %s", sshkey_type(k->key));
1.2 djm 498: if (k->key->type == type &&
499: (type != KEY_ECDSA || k->key->ecdsa_nid == nid))
1.1 markus 500: return (k->key);
501: }
502: return (NULL);
503: }
504:
505: int
506: _ssh_verify_host_key(struct sshkey *hostkey, struct ssh *ssh)
507: {
508: struct key_entry *k;
509:
1.22 djm 510: debug3_f("need %s", sshkey_type(hostkey));
1.1 markus 511: TAILQ_FOREACH(k, &ssh->public_keys, next) {
1.22 djm 512: debug3_f("check %s", sshkey_type(k->key));
1.1 markus 513: if (sshkey_equal_public(hostkey, k->key))
514: return (0); /* ok */
515: }
516: return (-1); /* failed */
517: }
518:
519: /* offer hostkey algorithms in kexinit depending on registered keys */
520: int
521: _ssh_order_hostkeyalgs(struct ssh *ssh)
522: {
523: struct key_entry *k;
524: char *orig, *avail, *oavail = NULL, *alg, *replace = NULL;
525: char **proposal;
526: size_t maxlen;
527: int ktype, r;
528:
529: /* XXX we de-serialize ssh->kex->my, modify it, and change it */
530: if ((r = kex_buf2prop(ssh->kex->my, NULL, &proposal)) != 0)
531: return r;
532: orig = proposal[PROPOSAL_SERVER_HOST_KEY_ALGS];
533: if ((oavail = avail = strdup(orig)) == NULL) {
534: r = SSH_ERR_ALLOC_FAIL;
535: goto out;
536: }
537: maxlen = strlen(avail) + 1;
538: if ((replace = calloc(1, maxlen)) == NULL) {
539: r = SSH_ERR_ALLOC_FAIL;
540: goto out;
541: }
542: *replace = '\0';
543: while ((alg = strsep(&avail, ",")) && *alg != '\0') {
544: if ((ktype = sshkey_type_from_name(alg)) == KEY_UNSPEC)
545: continue;
546: TAILQ_FOREACH(k, &ssh->public_keys, next) {
547: if (k->key->type == ktype ||
548: (sshkey_is_cert(k->key) && k->key->type ==
549: sshkey_type_plain(ktype))) {
550: if (*replace != '\0')
551: strlcat(replace, ",", maxlen);
552: strlcat(replace, alg, maxlen);
553: break;
554: }
555: }
556: }
557: if (*replace != '\0') {
1.22 djm 558: debug2_f("orig/%d %s", ssh->kex->server, orig);
559: debug2_f("replace/%d %s", ssh->kex->server, replace);
1.1 markus 560: free(orig);
561: proposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = replace;
562: replace = NULL; /* owned by proposal */
563: r = kex_prop2buf(ssh->kex->my, proposal);
564: }
565: out:
566: free(oavail);
567: free(replace);
568: kex_prop_free(proposal);
569: return r;
570: }
571:
572: int
1.10 djm 573: _ssh_host_key_sign(struct ssh *ssh, struct sshkey *privkey,
574: struct sshkey *pubkey, u_char **signature, size_t *slen,
575: const u_char *data, size_t dlen, const char *alg)
1.1 markus 576: {
1.10 djm 577: return sshkey_sign(privkey, signature, slen, data, dlen,
1.21 djm 578: alg, NULL, NULL, ssh->compat);
1.1 markus 579: }
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Return to ssh_api.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
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Up to [local] / src / usr.bin / ssh