X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/3165286982a9ab28fd80125b2fb2608716fb37db..d7af0c507a35fa24c857296be9e3dbc4e33117a9:/ssh-keyscan.c

diff --git a/ssh-keyscan.c b/ssh-keyscan.c
index 64d4d087..f30e8504 100644
--- a/ssh-keyscan.c
+++ b/ssh-keyscan.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-keyscan.c,v 1.73 2006/08/03 03:34:42 deraadt Exp $ */
+/* $OpenBSD: ssh-keyscan.c,v 1.79 2009/10/28 16:38:18 reyk Exp $ */
 /*
  * Copyright 1995, 1996 by David Mazieres <dm@lcs.mit.edu>.
  *
@@ -15,6 +15,9 @@
 # include <sys/time.h>
 #endif
 
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
 #include <openssl/bn.h>
 
 #include <netdb.h>
@@ -53,7 +56,7 @@ int ssh_port = SSH_DEFAULT_PORT;
 #define KT_DSA	2
 #define KT_RSA	4
 
-int get_keytypes = KT_RSA1;	/* Get only RSA1 keys by default */
+int get_keytypes = KT_RSA;	/* Get only RSA keys by default */
 
 int hash_hosts = 0;		/* Hash hostname on output */
 
@@ -65,6 +68,9 @@ int timeout = 5;
 int maxfd;
 #define MAXCON (maxfd - 10)
 
+/* The default routing domain */
+int scan_rdomain = -1;
+
 extern char *__progname;
 fd_set *read_wait;
 size_t read_wait_nfdset;
@@ -407,9 +413,10 @@ tcpconnect(char *host)
 	hints.ai_family = IPv4or6;
 	hints.ai_socktype = SOCK_STREAM;
 	if ((gaierr = getaddrinfo(host, strport, &hints, &aitop)) != 0)
-		fatal("getaddrinfo %s: %s", host, gai_strerror(gaierr));
+		fatal("getaddrinfo %s: %s", host, ssh_gai_strerror(gaierr));
 	for (ai = aitop; ai; ai = ai->ai_next) {
-		s = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
+		s = socket_rdomain(ai->ai_family, ai->ai_socktype,
+		    ai->ai_protocol, scan_rdomain);
 		if (s < 0) {
 			error("socket: %s", strerror(errno));
 			continue;
@@ -653,7 +660,7 @@ conloop(void)
 	memcpy(e, read_wait, read_wait_nfdset * sizeof(fd_mask));
 
 	while (select(maxfd, r, NULL, e, &seltime) == -1 &&
-	    (errno == EAGAIN || errno == EINTR))
+	    (errno == EAGAIN || errno == EINTR || errno == EWOULDBLOCK))
 		;
 
 	for (i = 0; i < maxfd; i++) {
@@ -710,8 +717,9 @@ fatal(const char *fmt,...)
 static void
 usage(void)
 {
-	fprintf(stderr, "usage: %s [-46Hv] [-f file] [-p port] [-T timeout] [-t type]\n"
-	    "\t\t   [host | addrlist namelist] [...]\n",
+	fprintf(stderr,
+	    "usage: %s [-46Hv] [-f file] [-p port] [-T timeout] [-t type]\n"
+	    "\t\t   [-V rdomain] [host | addrlist namelist] ...\n",
 	    __progname);
 	exit(1);
 }
@@ -737,14 +745,14 @@ main(int argc, char **argv)
 	if (argc <= 1)
 		usage();
 
-	while ((opt = getopt(argc, argv, "Hv46p:T:t:f:")) != -1) {
+	while ((opt = getopt(argc, argv, "Hv46p:T:t:f:V:")) != -1) {
 		switch (opt) {
 		case 'H':
 			hash_hosts = 1;
 			break;
 		case 'p':
 			ssh_port = a2port(optarg);
-			if (ssh_port == 0) {
+			if (ssh_port <= 0) {
 				fprintf(stderr, "Bad port '%s'\n", optarg);
 				exit(1);
 			}
@@ -798,6 +806,11 @@ main(int argc, char **argv)
 		case '6':
 			IPv4or6 = AF_INET6;
 			break;
+		case 'V':
+			scan_rdomain = a2port(optarg);
+			if (scan_rdomain < 0)
+				scan_rdomain = -1;
+			break;
 		case '?':
 		default:
 			usage();