X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/4c72fcfd7bd7c9962f577386faf095ced8e0f24c..fd2d830ad82595c97afd2c453788c9ccc5fa2182:/misc.c

diff --git a/misc.c b/misc.c
index 4d6576ad..4dc15231 100644
--- a/misc.c
+++ b/misc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: misc.c,v 1.57 2006/07/10 16:37:36 stevesk Exp $ */
+/* $OpenBSD: misc.c,v 1.71 2009/02/21 19:32:04 tobias Exp $ */
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
  * Copyright (c) 2005,2006 Damien Miller.  All rights reserved.
@@ -26,16 +26,23 @@
 
 #include "includes.h"
 
-#include <sys/ioctl.h>
 #include <sys/types.h>
+#include <sys/ioctl.h>
 #include <sys/socket.h>
+#include <sys/param.h>
 
 #include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 
+#include <errno.h>
 #include <fcntl.h>
+#include <netdb.h>
 #ifdef HAVE_PATHS_H
 # include <paths.h>
 #include <pwd.h>
@@ -44,9 +51,9 @@
 #include <net/if.h>
 #endif
 
+#include "xmalloc.h"
 #include "misc.h"
 #include "log.h"
-#include "xmalloc.h"
 #include "ssh.h"
 
 /* remove newline at end of string */
@@ -114,6 +121,14 @@ unset_nonblock(int fd)
 	return (0);
 }
 
+const char *
+ssh_gai_strerror(int gaierr)
+{
+	if (gaierr == EAI_SYSTEM)
+		return strerror(errno);
+	return gai_strerror(gaierr);
+}
+
 /* disable nagle on socket */
 void
 set_nodelay(int fd)
@@ -206,23 +221,19 @@ pwcopy(struct passwd *pw)
 
 /*
  * Convert ASCII string to TCP/IP port number.
- * Port must be >0 and <=65535.
- * Return 0 if invalid.
+ * Port must be >=0 and <=65535.
+ * Return -1 if invalid.
  */
 int
 a2port(const char *s)
 {
-	long port;
-	char *endp;
+	long long port;
+	const char *errstr;
 
-	errno = 0;
-	port = strtol(s, &endp, 0);
-	if (s == endp || *endp != '\0' ||
-	    (errno == ERANGE && (port == LONG_MIN || port == LONG_MAX)) ||
-	    port <= 0 || port > 65535)
-		return 0;
-
-	return port;
+	port = strtonum(s, 0, 65535, &errstr);
+	if (errstr != NULL)
+		return -1;
+	return (int)port;
 }
 
 int
@@ -519,7 +530,7 @@ tilde_expand_filename(const char *filename, uid_t uid)
 		if ((pw = getpwnam(user)) == NULL)
 			fatal("tilde_expand_filename: No such user %s", user);
 	} else if ((pw = getpwuid(uid)) == NULL)	/* ~/path */
-		fatal("tilde_expand_filename: No such uid %d", uid);
+		fatal("tilde_expand_filename: No such uid %ld", (long)uid);
 
 	if (strlcpy(ret, pw->pw_dir, sizeof(ret)) >= sizeof(ret))
 		fatal("tilde_expand_filename: Path too long");
@@ -610,6 +621,8 @@ read_keyfile_line(FILE *f, const char *filename, char *buf, size_t bufsz,
    u_long *lineno)
 {
 	while (fgets(buf, bufsz, f) != NULL) {
+		if (buf[0] == '\0')
+			continue;
 		(*lineno)++;
 		if (buf[strlen(buf) - 1] == '\n' || feof(f)) {
 			return 0;
@@ -701,7 +714,8 @@ sanitise_stdfd(void)
 	int nullfd, dupfd;
 
 	if ((nullfd = dupfd = open(_PATH_DEVNULL, O_RDWR)) == -1) {
-		fprintf(stderr, "Couldn't open /dev/null: %s", strerror(errno));
+		fprintf(stderr, "Couldn't open /dev/null: %s\n",
+		    strerror(errno));
 		exit(1);
 	}
 	while (++dupfd <= 2) {
@@ -709,7 +723,7 @@ sanitise_stdfd(void)
 		if (fcntl(dupfd, F_GETFL, 0) >= 0)
 			continue;
 		if (dup2(nullfd, dupfd) == -1) {
-			fprintf(stderr, "dup2: %s", strerror(errno));
+			fprintf(stderr, "dup2: %s\n", strerror(errno));
 			exit(1);
 		}
 	}
@@ -815,3 +829,34 @@ put_u16(void *vp, u_int16_t v)
 	p[0] = (u_char)(v >> 8) & 0xff;
 	p[1] = (u_char)v & 0xff;
 }
+
+void
+ms_subtract_diff(struct timeval *start, int *ms)
+{
+	struct timeval diff, finish;
+
+	gettimeofday(&finish, NULL);
+	timersub(&finish, start, &diff);	
+	*ms -= (diff.tv_sec * 1000) + (diff.tv_usec / 1000);
+}
+
+void
+ms_to_timeval(struct timeval *tv, int ms)
+{
+	if (ms < 0)
+		ms = 0;
+	tv->tv_sec = ms / 1000;
+	tv->tv_usec = (ms % 1000) * 1000;
+}
+
+void
+sock_set_v6only(int s)
+{
+#ifdef IPV6_V6ONLY
+	int on = 1;
+
+	debug3("%s: set socket %d IPV6_V6ONLY", __func__, s);
+	if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)) == -1)
+		error("setsockopt IPV6_V6ONLY: %s", strerror(errno));
+#endif
+}