diff options
Diffstat (limited to 'usr.bin/ssh')
-rw-r--r-- | usr.bin/ssh/packet.c | 19 | ||||
-rw-r--r-- | usr.bin/ssh/packet.h | 4 | ||||
-rw-r--r-- | usr.bin/ssh/readconf.c | 12 | ||||
-rw-r--r-- | usr.bin/ssh/servconf.c | 10 | ||||
-rw-r--r-- | usr.bin/ssh/sshd.c | 4 |
5 files changed, 22 insertions, 27 deletions
diff --git a/usr.bin/ssh/packet.c b/usr.bin/ssh/packet.c index 4d4c2cd7fca..1806d816c8c 100644 --- a/usr.bin/ssh/packet.c +++ b/usr.bin/ssh/packet.c @@ -1,4 +1,4 @@ -/* $OpenBSD: packet.c,v 1.223 2016/01/29 02:42:46 dtucker Exp $ */ +/* $OpenBSD: packet.c,v 1.224 2016/01/29 02:54:45 dtucker Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -174,8 +174,7 @@ struct session_state { struct packet_state p_read, p_send; /* Volume-based rekeying */ - u_int64_t max_blocks_in, max_blocks_out; - u_int32_t rekey_limit; + u_int64_t max_blocks_in, max_blocks_out, rekey_limit; /* Time-based rekeying */ u_int32_t rekey_interval; /* how often in seconds */ @@ -942,7 +941,10 @@ ssh_set_newkeys(struct ssh *ssh, int mode) max_blocks = &state->max_blocks_in; } if (state->newkeys[mode] != NULL) { - debug("set_newkeys: rekeying"); + debug("set_newkeys: rekeying, input %llu bytes %llu blocks, " + "output %llu bytes %llu blocks", + state->p_read.bytes, state->p_read.blocks, + state->p_send.bytes, state->p_send.blocks); if ((r = cipher_cleanup(cc)) != 0) return r; enc = &state->newkeys[mode]->enc; @@ -1010,6 +1012,7 @@ ssh_set_newkeys(struct ssh *ssh, int mode) if (state->rekey_limit) *max_blocks = MIN(*max_blocks, state->rekey_limit / enc->block_size); + debug("rekey after %llu blocks", *max_blocks); return 0; } @@ -2251,9 +2254,9 @@ ssh_packet_need_rekeying(struct ssh *ssh) } void -ssh_packet_set_rekey_limits(struct ssh *ssh, u_int32_t bytes, time_t seconds) +ssh_packet_set_rekey_limits(struct ssh *ssh, u_int64_t bytes, time_t seconds) { - debug3("rekey after %lld bytes, %d seconds", (long long)bytes, + debug3("rekey after %llu bytes, %d seconds", (unsigned long long)bytes, (int)seconds); ssh->state->rekey_limit = bytes; ssh->state->rekey_interval = seconds; @@ -2411,7 +2414,7 @@ ssh_packet_get_state(struct ssh *ssh, struct sshbuf *m) if ((r = kex_to_blob(m, ssh->kex)) != 0 || (r = newkeys_to_blob(m, ssh, MODE_OUT)) != 0 || (r = newkeys_to_blob(m, ssh, MODE_IN)) != 0 || - (r = sshbuf_put_u32(m, state->rekey_limit)) != 0 || + (r = sshbuf_put_u64(m, state->rekey_limit)) != 0 || (r = sshbuf_put_u32(m, state->rekey_interval)) != 0 || (r = sshbuf_put_u32(m, state->p_send.seqnr)) != 0 || (r = sshbuf_put_u64(m, state->p_send.blocks)) != 0 || @@ -2590,7 +2593,7 @@ ssh_packet_set_state(struct ssh *ssh, struct sshbuf *m) if ((r = kex_from_blob(m, &ssh->kex)) != 0 || (r = newkeys_from_blob(m, ssh, MODE_OUT)) != 0 || (r = newkeys_from_blob(m, ssh, MODE_IN)) != 0 || - (r = sshbuf_get_u32(m, &state->rekey_limit)) != 0 || + (r = sshbuf_get_u64(m, &state->rekey_limit)) != 0 || (r = sshbuf_get_u32(m, &state->rekey_interval)) != 0 || (r = sshbuf_get_u32(m, &state->p_send.seqnr)) != 0 || (r = sshbuf_get_u64(m, &state->p_send.blocks)) != 0 || diff --git a/usr.bin/ssh/packet.h b/usr.bin/ssh/packet.h index cf49ce669da..9f8d1380b12 100644 --- a/usr.bin/ssh/packet.h +++ b/usr.bin/ssh/packet.h @@ -1,4 +1,4 @@ -/* $OpenBSD: packet.h,v 1.68 2016/01/14 16:17:40 markus Exp $ */ +/* $OpenBSD: packet.h,v 1.69 2016/01/29 02:54:45 dtucker Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> @@ -132,7 +132,7 @@ const char *ssh_remote_ipaddr(struct ssh *); int ssh_remote_port(struct ssh *); int ssh_packet_need_rekeying(struct ssh *); -void ssh_packet_set_rekey_limits(struct ssh *, u_int32_t, time_t); +void ssh_packet_set_rekey_limits(struct ssh *, u_int64_t, time_t); time_t ssh_packet_get_rekey_timeout(struct ssh *); void *ssh_packet_get_input(struct ssh *); diff --git a/usr.bin/ssh/readconf.c b/usr.bin/ssh/readconf.c index 0ce0a1046fb..a17d15c4f64 100644 --- a/usr.bin/ssh/readconf.c +++ b/usr.bin/ssh/readconf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: readconf.c,v 1.248 2016/01/14 16:17:40 markus Exp $ */ +/* $OpenBSD: readconf.c,v 1.249 2016/01/29 02:54:45 dtucker Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -964,16 +964,12 @@ parse_time: if (scan_scaled(arg, &val64) == -1) fatal("%.200s line %d: Bad number '%s': %s", filename, linenum, arg, strerror(errno)); - /* check for too-large or too-small limits */ - if (val64 > UINT_MAX) - fatal("%.200s line %d: RekeyLimit too large", - filename, linenum); if (val64 != 0 && val64 < 16) fatal("%.200s line %d: RekeyLimit too small", filename, linenum); } if (*activep && options->rekey_limit == -1) - options->rekey_limit = (u_int32_t)val64; + options->rekey_limit = val64; if (s != NULL) { /* optional rekey interval present */ if (strcmp(s, "none") == 0) { (void)strdelim(&s); /* discard */ @@ -2422,8 +2418,8 @@ dump_client_config(Options *o, const char *host) printf("%s\n", iptos2str(o->ip_qos_bulk)); /* oRekeyLimit */ - printf("rekeylimit %lld %d\n", - (long long)o->rekey_limit, o->rekey_interval); + printf("rekeylimit %llu %d\n", + (unsigned long long)o->rekey_limit, o->rekey_interval); /* oStreamLocalBindMask */ printf("streamlocalbindmask 0%o\n", diff --git a/usr.bin/ssh/servconf.c b/usr.bin/ssh/servconf.c index 1457ddd206f..a51b6f12f69 100644 --- a/usr.bin/ssh/servconf.c +++ b/usr.bin/ssh/servconf.c @@ -1,5 +1,5 @@ -/* $OpenBSD: servconf.c,v 1.283 2015/11/13 04:38:06 djm Exp $ */ +/* $OpenBSD: servconf.c,v 1.284 2016/01/29 02:54:45 dtucker Exp $ */ /* * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland * All rights reserved @@ -1278,16 +1278,12 @@ process_server_config_line(ServerOptions *options, char *line, if (scan_scaled(arg, &val64) == -1) fatal("%.200s line %d: Bad number '%s': %s", filename, linenum, arg, strerror(errno)); - /* check for too-large or too-small limits */ - if (val64 > UINT_MAX) - fatal("%.200s line %d: RekeyLimit too large", - filename, linenum); if (val64 != 0 && val64 < 16) fatal("%.200s line %d: RekeyLimit too small", filename, linenum); } if (*activep && options->rekey_limit == -1) - options->rekey_limit = (u_int32_t)val64; + options->rekey_limit = val64; if (cp != NULL) { /* optional rekey interval present */ if (strcmp(cp, "none") == 0) { (void)strdelim(&cp); /* discard */ @@ -2304,7 +2300,7 @@ dump_config(ServerOptions *o) printf("ipqos %s ", iptos2str(o->ip_qos_interactive)); printf("%s\n", iptos2str(o->ip_qos_bulk)); - printf("rekeylimit %lld %d\n", (long long)o->rekey_limit, + printf("rekeylimit %llu %d\n", (unsigned long long)o->rekey_limit, o->rekey_interval); channel_print_adm_permitted_opens(); diff --git a/usr.bin/ssh/sshd.c b/usr.bin/ssh/sshd.c index 1253c80ddcf..f5c4442683e 100644 --- a/usr.bin/ssh/sshd.c +++ b/usr.bin/ssh/sshd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sshd.c,v 1.463 2016/01/14 16:17:40 markus Exp $ */ +/* $OpenBSD: sshd.c,v 1.464 2016/01/29 02:54:45 dtucker Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -2386,7 +2386,7 @@ do_ssh2_kex(void) } if (options.rekey_limit || options.rekey_interval) - packet_set_rekey_limits((u_int32_t)options.rekey_limit, + packet_set_rekey_limits(options.rekey_limit, (time_t)options.rekey_interval); myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = compat_pkalg_proposal( |