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dropbear/cli-runopts.c  view on Meta::CPAN

	}

	port = strchr(cli_opts.remotehost, '^');
	if (!port)  {
		/* legacy separator */
		port = strchr(cli_opts.remotehost, '/');
	}
	if (port) {
		*port = '\0';
		cli_opts.remoteport = port+1;
	}

	if (cli_opts.remotehost[0] == '\0') {
		dropbear_exit("Bad hostname");
	}
}

#if DROPBEAR_CLI_NETCAT
static void add_netcat(const char* origstr) {
	char *portstr = NULL;
	
	char * str = m_strdup(origstr);
	
	portstr = strchr(str, ':');
	if (portstr == NULL) {
		TRACE(("No netcat port"))
		goto fail;
	}
	*portstr = '\0';
	portstr++;
	
	if (strchr(portstr, ':')) {
		TRACE(("Multiple netcat colons"))
		goto fail;
	}
	
	if (m_str_to_uint(portstr, &cli_opts.netcat_port) == DROPBEAR_FAILURE) {
		TRACE(("bad netcat port"))
		goto fail;
	}
	
	if (cli_opts.netcat_port > 65535) {
		TRACE(("too large netcat port"))
		goto fail;
	}
	
	cli_opts.netcat_host = str;
	return;
	
fail:
	dropbear_exit("Bad netcat endpoint '%s'", origstr);
}
#endif

static void fill_own_user() {
	uid_t uid;
	struct passwd *pw = NULL; 

	uid = getuid();

	pw = getpwuid(uid);
	if (pw && pw->pw_name != NULL) {
		cli_opts.own_user = m_strdup(pw->pw_name);
	} else {
		dropbear_log(LOG_INFO, "Warning: failed to identify current user. Trying anyway.");
		cli_opts.own_user = m_strdup("unknown");
	}

}

#if DROPBEAR_CLI_ANYTCPFWD
/* Turn a "[listenaddr:]listenport:remoteaddr:remoteport" string into into a forwarding
 * set, and add it to the forwarding list */
static void addforward(const char* origstr, m_list *fwdlist) {

	char *part1 = NULL, *part2 = NULL, *part3 = NULL, *part4 = NULL;
	char * listenaddr = NULL;
	char * listenport = NULL;
	char * connectaddr = NULL;
	char * connectport = NULL;
	struct TCPFwdEntry* newfwd = NULL;
	char * str = NULL;

	TRACE(("enter addforward"))

	/* We need to split the original argument up. This var
	   is never free()d. */ 
	str = m_strdup(origstr);

	part1 = str;

	part2 = strchr(str, ':');
	if (part2 == NULL) {
		TRACE(("part2 == NULL"))
		goto fail;
	}
	*part2 = '\0';
	part2++;

	part3 = strchr(part2, ':');
	if (part3 == NULL) {
		TRACE(("part3 == NULL"))
		goto fail;
	}
	*part3 = '\0';
	part3++;

	part4 = strchr(part3, ':');
	if (part4) {
		*part4 = '\0';
		part4++;
	}

	if (part4) {
		listenaddr = part1;
		listenport = part2;
		connectaddr = part3;
		connectport = part4;
	} else {
		listenaddr = NULL;
		listenport = part1;