NetBSD/usr.sbin/sushi/handlers.c

276 lines
6.8 KiB
C

/* $NetBSD: handlers.c,v 1.6 2004/03/09 19:22:22 garbled Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Copyright (c) 2000 Tim Rightnour <garbled@NetBSD.org>
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 THE FOUNDATION 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.
*/
#include <err.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/queue.h>
#include <cdk/cdk.h>
#include <curses.h>
#include <form.h>
#include "sushi.h"
#include "functions.h"
#include "formtree.h"
#include "run.h"
#include "handlers.h"
extern func_record func_map[];
extern CDKSCREEN *cdkscreen;
extern nl_catd catalog;
extern char *lang_id;
extern struct winsize ws;
int
handle_script(char *path)
{
char *args[2];
args[0] = strdup(path);
args[1] = NULL;
run_prog(1, args);
/* don't run this thing 10 billion times if it fails */
return(0);
}
int
handle_exec(char *path)
{
char *args[51];
FILE *f;
int lcnt, i;
char *exec, *p;
size_t len;
f = fopen(path, "r");
for (lcnt = 1; (exec = fgetln(f, &len)) != NULL; ++lcnt) {
if (len == 1) /* skip blank */
continue;
if (exec[len - 1] == '#') /* skip comments */
continue;
if (exec[len - 1] != '\n') { /* corrupted? */
warnx("%s: line %d corrupted", path, lcnt);
continue;
}
exec[len - 1] = '\0'; /* NUL terminate */
for (; *exec != '\0' && isspace((unsigned char)*exec);
++exec);
if (*exec == '\0' || *exec == '#')
continue;
p = strsep(&exec, " ");
for (i = 0; p != NULL; p = strsep(&exec, " "), i++)
args[i] = strdup(p);
}
args[i] = NULL;
fclose(f);
run_prog(1, args);
return(0);
}
int
handle_func(char *path)
{
FILE *f;
int lcnt, i;
char *exec, *p, *arg;
size_t len;
f = fopen(path, "r");
for (lcnt = 1; (exec = fgetln(f, &len)) != NULL; ++lcnt) {
if (len == 1) /* skip blank */
continue;
if (exec[len - 1] == '#') /* skip comments */
continue;
if (exec[len - 1] != '\n') { /* corrupted? */
warnx("%s: line %d corrupted", path, lcnt);
continue;
}
exec[len - 1] = '\0'; /* NUL terminate */
for (; *exec != '\0' && isspace((unsigned char)*exec);
++exec);
if (*exec == '\0' || *exec == '#')
continue;
p = strdup(strsep(&exec, ","));
arg = strdup(strsep(&exec, ","));
}
fclose(f);
for (i=0; func_map[i].funcname != NULL; i++)
if (strcmp(func_map[i].funcname, p) == 0)
break;
if (func_map[i].function == NULL)
bailout("%s: %s",catgets(catalog, 1, 5,
"function not found") , p);
(void) func_map[i].function(arg);
return(0);
}
int
handle_help(char *path)
{
char **data;
int lnum;
char buf[255];
char *buttons[1];
FILE *f;
CDKVIEWER *viewer;
f = fopen(path, "r");
if (!f)
return(0); /* hrmm */
lnum = 0;
while (fgets(buf, sizeof(buf), f))
lnum++;
rewind(f);
data = malloc((lnum + 1) * sizeof(char *));
if (data == NULL)
bailout("malloc: %s", strerror(errno));
lnum = 0;
while(fgets(buf, sizeof(buf), f)) {
data[lnum] = strdup(buf);
lnum++;
}
fclose(f);
data[lnum] = NULL;
buttons[0] = catgets(catalog, 2, 11, "</5><OK><!5>");
viewer = newCDKViewer(cdkscreen, CENTER, CENTER, ws.ws_row-4, 0,
buttons, 1, A_NORMAL, TRUE, FALSE);
setCDKViewer(viewer, catgets(catalog, 2, 12, "Help"), data, lnum+1,
A_REVERSE, FALSE, TRUE, TRUE);
activateCDKViewer(viewer, NULL);
destroyCDKViewer(viewer);
return(0);
}
int
simple_lang_handler(char *path, char *file, int(* handler)(char *) )
{
struct stat sb;
char buf[PATH_MAX+30];
if (lang_id == NULL)
snprintf(buf, sizeof(buf), "%s/%s", path, file);
else
snprintf(buf, sizeof(buf), "%s/%s.%s", path, file, lang_id);
if (stat(buf, &sb) == 0)
return(handler(buf));
else {
snprintf(buf, sizeof(buf), "%s/%s", path, file);
if (stat(buf, &sb) == 0)
return(handler(buf));
}
return(-2); /* special */
}
int
handle_endpoint(char *path)
{
struct stat sb;
char buf[PATH_MAX+30];
char *args[2];
int rc;
if (lang_id == NULL)
snprintf(buf, sizeof(buf), "%s/%s", path, PREFORMFILE);
else
snprintf(buf, sizeof(buf), "%s/%s.%s", path, PREFORMFILE,
lang_id);
if (stat(buf, &sb) == 0)
return(handle_preform(path, buf));
else {
snprintf(buf, sizeof(buf), "%s/%s", path, PREFORMFILE);
if (stat(buf, &sb) == 0)
return(handle_preform(path, buf));
}
args[0] = NULL;
if (lang_id == NULL)
snprintf(buf, sizeof(buf), "%s/%s", path, FORMFILE);
else
snprintf(buf, sizeof(buf), "%s/%s.%s", path, FORMFILE, lang_id);
if (stat(buf, &sb) == 0)
return(handle_form(path, buf, args));
else {
snprintf(buf, sizeof(buf), "%s/%s", path, FORMFILE);
if (stat(buf, &sb) == 0)
return(handle_form(path, buf, args));
}
rc = simple_lang_handler(path, SCRIPTFILE, handle_script);
if (rc != -2)
return(rc);
rc = simple_lang_handler(path, EXECFILE, handle_exec);
if (rc != -2)
return(rc);
rc = simple_lang_handler(path, FUNCFILE, handle_func);
if (rc != -2)
return(rc);
rc = simple_lang_handler(path, HELPFILE, handle_help);
if (rc != -2)
return(rc);
bailout("%s: %s", catgets(catalog, 1, 6, "empty endpoint"), path);
return(0);
}
void
nohelp(void)
{
char *mesg[1];
mesg[0] = catgets(catalog, 3, 16,
"No help is available for this screen.");
popupLabel(cdkscreen, mesg, 1);
}