fdopen fix in keygen utility

Author: manojampalam

ssh-keygen.c

@@ -990,6 +990,11 @@ do_gen_all_hostkeys(struct passwd *pw)
 		}
 		sshkey_free(private);
 		strlcat(identity_file, ".pub", sizeof(identity_file));
+#ifdef WINDOWS
+                if ((f = fopen(identity_file, "w")) == NULL) {
+                        error("fopen %s failed: %s", identity_file, strerror(errno));
+                /* TODO - set permissions on file */
+#else
 		fd = open(identity_file, O_WRONLY | O_CREAT | O_TRUNC, 0644);
 		if (fd == -1) {
 			error("Could not save your public key in %s",
@@ -999,9 +1004,11 @@ do_gen_all_hostkeys(struct passwd *pw)
 			continue;
 		}
 		f = fdopen(fd, "w");
+
 		if (f == NULL) {
 			error("fdopen %s failed", identity_file);
 			close(fd);
+#endif
 			sshkey_free(public);
 			first = 0;
 			continue;
@@ -2765,10 +2772,10 @@ main(int argc, char **argv)
 		printf("Your identification has been saved in %s.\n", identity_file);
 
 	strlcat(identity_file, ".pub", sizeof(identity_file));
-        /* TODO - for windows call fopen directly*/
 #ifdef WINDOWS
         if ((f = fopen(identity_file, "w")) == NULL)
                 fatal("fopen %s failed: %s", identity_file, strerror(errno));
+        /* TODO - set permissions on file */
 #else
 	if ((fd = open(identity_file, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1)
 		fatal("Unable to save public key to %s: %s",