external/dropbear 0.49upstream/0.49

1 files changed, 114 insertions, 0 deletions

diff --git a/cli-main.c b/cli-main.c
new file mode 100644
index 0000000..68cf023
--- /dev/null
+++ b/cli-main.c
@@ -0,0 +1,114 @@
+/*
+ * Dropbear - a SSH2 server
+ * SSH client implementation
+ * 
+ * Copyright (c) 2002,2003 Matt Johnston
+ * Copyright (c) 2004 by Mihnea Stoenescu
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE. */
+
+#include "includes.h"
+#include "dbutil.h"
+#include "runopts.h"
+#include "session.h"
+
+static void cli_dropbear_exit(int exitcode, const char* format, va_list param);
+static void cli_dropbear_log(int priority, const char* format, va_list param);
+
+#if defined(DBMULTI_dbclient) || !defined(DROPBEAR_MULTI)
+#if defined(DBMULTI_dbclient) && defined(DROPBEAR_MULTI)
+int cli_main(int argc, char ** argv) {
+#else
+int main(int argc, char ** argv) {
+#endif
+
+	int sock;
+	char* error = NULL;
+	char* hostandport;
+	int len;
+
+	_dropbear_exit = cli_dropbear_exit;
+	_dropbear_log = cli_dropbear_log;
+
+	disallow_core();
+
+	cli_getopts(argc, argv);
+
+	TRACE(("user='%s' host='%s' port='%s'", cli_opts.username,
+				cli_opts.remotehost, cli_opts.remoteport))
+
+	if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) {
+		dropbear_exit("signal() error");
+	}
+
+	sock = connect_remote(cli_opts.remotehost, cli_opts.remoteport, 
+			0, &error);
+
+	if (sock < 0) {
+		dropbear_exit("%s", error);
+	}
+
+	/* Set up the host:port log */
+	len = strlen(cli_opts.remotehost);
+	len += 10; /* 16 bit port and leeway*/
+	hostandport = (char*)m_malloc(len);
+	snprintf(hostandport, len, "%s:%s", 
+			cli_opts.remotehost, cli_opts.remoteport);
+
+	cli_session(sock, hostandport);
+
+	/* not reached */
+	return -1;
+}
+#endif /* DBMULTI stuff */
+
+static void cli_dropbear_exit(int exitcode, const char* format, va_list param) {
+
+	char fmtbuf[300];
+
+	if (!sessinitdone) {
+		snprintf(fmtbuf, sizeof(fmtbuf), "exited: %s",
+				format);
+	} else {
+		snprintf(fmtbuf, sizeof(fmtbuf), 
+				"connection to %s@%s:%s exited: %s", 
+				cli_opts.username, cli_opts.remotehost, 
+				cli_opts.remoteport, format);
+	}
+
+	/* Do the cleanup first, since then the terminal will be reset */
+	cli_session_cleanup();
+	common_session_cleanup();
+
+	_dropbear_log(LOG_INFO, fmtbuf, param);
+
+	exit(exitcode);
+}
+
+static void cli_dropbear_log(int UNUSED(priority), 
+		const char* format, va_list param) {
+
+	char printbuf[1024];
+
+	vsnprintf(printbuf, sizeof(printbuf), format, param);
+
+	fprintf(stderr, "%s: %s\n", cli_opts.progname, printbuf);
+
+}