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/*-
* Copyright (c) 2006 Verdens Gang AS
* Copyright (c) 2006-2007 Linpro AS
* All rights reserved.
*
* Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: cli.c 1503 2007-06-07 09:40:20Z des $
*
* Stuff for handling the CLI protocol
*/
#include <ctype.h>
#include <string.h>
#include <stdio.h>
#include <cli.h>
#include <cli_priv.h>
#include <libvarnish.h>
/*
* Generic help function.
*
* priv must point to cli_proto array
*/
void
cli_func_help(struct cli *cli, char **av, void *priv)
{
struct cli_proto *cp;
if (av[2] == NULL) {
cli_out(cli, "Available commands:\n");
for (cp = priv; cp->request != NULL; cp++)
cli_out(cli, "%s\n", cp->syntax);
return;
}
for (cp = priv; cp->request != NULL; cp++) {
if (!strcmp(cp->request, av[2])) {
cli_out(cli, "%s\n%s\n", cp->syntax, cp->help);
return;
}
}
cli_param(cli);
}
void
cli_dispatch(struct cli *cli, struct cli_proto *clp, const char *line)
{
char **av;
unsigned u;
struct cli_proto *cp;
cli_result(cli, CLIS_OK);
/* XXX: syslog commands */
av = ParseArgv(line, 0);
do {
if (av[0] != NULL) {
cli_out(cli, "Syntax Error: %s\n", av[0]);
cli_result(cli, CLIS_SYNTAX);
break;
}
if (av[1] == NULL)
break;
if (isupper(av[1][0])) {
cli_out(cli,
"all commands are in lower-case.\n");
cli_result(cli, CLIS_UNKNOWN);
break;
}
for (cp = clp; cp->request != NULL; cp++)
if (!strcmp(av[1], cp->request))
break;
if (cp->request == NULL) {
cli_out(cli,
"Unknown request, type 'help' for more info.\n");
cli_result(cli, CLIS_UNKNOWN);
break;
}
if (cp->func == NULL) {
cli_out(cli, "Unimplemented\n");
cli_result(cli, CLIS_UNIMPL);
break;
}
for (u = 0; u <= cp->minarg; u++) {
if (av[u + 1] != NULL)
continue;
cli_out(cli, "Too few parameters\n");
cli_result(cli, CLIS_TOOFEW);
break;
}
if (u <= cp->minarg)
break;
for (; u <= cp->maxarg; u++)
if (av[u + 1] == NULL)
break;
if (av[u + 1] != NULL) {
cli_out(cli, "Too many parameters\n");
cli_result(cli, CLIS_TOOMANY);
break;
}
cp->func(cli, av, cp->priv);
} while (0);
FreeArgv(av);
}
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