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