diff options
Diffstat (limited to 'ssh-keyscan.c')
| -rw-r--r-- | ssh-keyscan.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/ssh-keyscan.c b/ssh-keyscan.c index 258123ae80a8d..381fb0844da74 100644 --- a/ssh-keyscan.c +++ b/ssh-keyscan.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ssh-keyscan.c,v 1.115 2017/06/30 04:17:23 dtucker Exp $ */ +/* $OpenBSD: ssh-keyscan.c,v 1.119 2018/03/02 21:40:15 jmc Exp $ */ /* * Copyright 1995, 1996 by David Mazieres <dm@lcs.mit.edu>. * @@ -46,6 +46,7 @@ #include "hostfile.h" #include "ssherr.h" #include "ssh_api.h" +#include "dns.h" /* Flag indicating whether IPv4 or IPv6. This can be set on the command line. Default value is AF_UNSPEC means both IPv4 and IPv6. */ @@ -57,15 +58,18 @@ int ssh_port = SSH_DEFAULT_PORT; #define KT_RSA (1<<1) #define KT_ECDSA (1<<2) #define KT_ED25519 (1<<3) +#define KT_XMSS (1<<4) #define KT_MIN KT_DSA -#define KT_MAX KT_ED25519 +#define KT_MAX KT_XMSS int get_cert = 0; int get_keytypes = KT_RSA|KT_ECDSA|KT_ED25519; int hash_hosts = 0; /* Hash hostname on output */ +int print_sshfp = 0; /* Print SSHFP records instead of known_hosts */ + #define MAXMAXFD 256 /* The number of seconds after which to give up on a TCP connection */ @@ -235,6 +239,10 @@ keygrab_ssh2(con *c) myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = get_cert ? "ssh-ed25519-cert-v01@openssh.com" : "ssh-ed25519"; break; + case KT_XMSS: + myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = get_cert ? + "ssh-xmss-cert-v01@openssh.com" : "ssh-xmss@openssh.com"; + break; case KT_ECDSA: myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = get_cert ? "ecdsa-sha2-nistp256-cert-v01@openssh.com," @@ -280,6 +288,11 @@ keyprint_one(const char *host, struct sshkey *key) char *hostport; const char *known_host, *hashed; + if (print_sshfp) { + export_dns_rr(host, key, stdout, 0); + return; + } + hostport = put_host_port(host, ssh_port); lowercase(hostport); if (hash_hosts && (hashed = host_hash(host, NULL, 0)) == NULL) @@ -377,7 +390,7 @@ conalloc(char *iname, char *oname, int keytype) fdcon[s].c_len = 4; fdcon[s].c_off = 0; fdcon[s].c_keytype = keytype; - gettimeofday(&fdcon[s].c_tv, NULL); + monotime_tv(&fdcon[s].c_tv); fdcon[s].c_tv.tv_sec += timeout; TAILQ_INSERT_TAIL(&tq, &fdcon[s], c_link); FD_SET(s, read_wait); @@ -411,7 +424,7 @@ static void contouch(int s) { TAILQ_REMOVE(&tq, &fdcon[s], c_link); - gettimeofday(&fdcon[s].c_tv, NULL); + monotime_tv(&fdcon[s].c_tv); fdcon[s].c_tv.tv_sec += timeout; TAILQ_INSERT_TAIL(&tq, &fdcon[s], c_link); } @@ -497,7 +510,8 @@ congreet(int s) confree(s); return; } - fprintf(stderr, "# %s:%d %s\n", c->c_name, ssh_port, chop(buf)); + fprintf(stderr, "%c %s:%d %s\n", print_sshfp ? ';' : '#', + c->c_name, ssh_port, chop(buf)); keygrab_ssh2(c); confree(s); } @@ -545,7 +559,7 @@ conloop(void) con *c; int i; - gettimeofday(&now, NULL); + monotime_tv(&now); c = TAILQ_FIRST(&tq); if (c && (c->c_tv.tv_sec > now.tv_sec || @@ -621,8 +635,8 @@ static void usage(void) { fprintf(stderr, - "usage: %s [-46cHv] [-f file] [-p port] [-T timeout] [-t type]\n" - "\t\t [host | addrlist namelist] ...\n", + "usage: %s [-46cDHv] [-f file] [-p port] [-T timeout] [-t type]\n" + "\t\t [host | addrlist namelist]\n", __progname); exit(1); } @@ -650,7 +664,7 @@ main(int argc, char **argv) if (argc <= 1) usage(); - while ((opt = getopt(argc, argv, "cHv46p:T:t:f:")) != -1) { + while ((opt = getopt(argc, argv, "cDHv46p:T:t:f:")) != -1) { switch (opt) { case 'H': hash_hosts = 1; @@ -658,6 +672,9 @@ main(int argc, char **argv) case 'c': get_cert = 1; break; + case 'D': + print_sshfp = 1; + break; case 'p': ssh_port = a2port(optarg); if (ssh_port <= 0) { @@ -706,6 +723,9 @@ main(int argc, char **argv) case KEY_ED25519: get_keytypes |= KT_ED25519; break; + case KEY_XMSS: + get_keytypes |= KT_XMSS; + break; case KEY_UNSPEC: default: fatal("Unknown key type \"%s\"", tname); |