freebsd-dev/crypto/heimdal/lib/sl/ss.c

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/*
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* Copyright (c) 1998 - 2000 Kungliga Tekniska H<EFBFBD>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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 "sl_locl.h"
#include <com_err.h>
#include "ss.h"
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RCSID("$Id: ss.c,v 1.6 2000/05/25 00:14:58 assar Exp $");
struct ss_subst {
char *name;
char *version;
char *info;
ss_request_table *table;
};
static struct ss_subst subsystems[2];
static int num_subsystems;
int
ss_create_invocation(const char *subsystem,
const char *version,
const char *info,
ss_request_table *table,
int *code)
{
struct ss_subst *ss;
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if(num_subsystems >= sizeof(subsystems) / sizeof(subsystems[0])) {
*code = 17;
return 0;
}
ss = &subsystems[num_subsystems];
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ss->name = ss->version = ss->info = NULL;
if (subsystem != NULL) {
ss->name = strdup (subsystem);
if (ss->name == NULL) {
*code = ENOMEM;
return 0;
}
}
if (version != NULL) {
ss->version = strdup (version);
if (ss->version == NULL) {
*code = ENOMEM;
return 0;
}
}
if (info != NULL) {
ss->info = strdup (info);
if (ss->info == NULL) {
*code = ENOMEM;
return 0;
}
}
ss->table = table;
*code = 0;
return num_subsystems++;
}
void
ss_error (int index, long code, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
com_err_va (subsystems[index].name, code, fmt, ap);
va_end(ap);
}
void
ss_perror (int index, long code, const char *msg)
{
ss_error(index, code, "%s", msg);
}
int
ss_execute_command(int index, char **argv)
{
int argc = 0;
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int ret;
while(argv[argc++]);
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ret = sl_command(subsystems[index].table, argc, argv);
if (ret == SL_BADCOMMAND)
return SS_ET_COMMAND_NOT_FOUND;
return 0;
}
int
ss_execute_line (int index, const char *line)
{
char *buf = strdup(line);
int argc;
char **argv;
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int ret;
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if (buf == NULL)
return ENOMEM;
sl_make_argv(buf, &argc, &argv);
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ret = sl_command(subsystems[index].table, argc, argv);
free(buf);
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if (ret == SL_BADCOMMAND)
return SS_ET_COMMAND_NOT_FOUND;
return 0;
}
int
ss_listen (int index)
{
char *prompt = malloc(strlen(subsystems[index].name) + 3);
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if (prompt == NULL)
return ENOMEM;
strcpy(prompt, subsystems[index].name);
strcat(prompt, ": ");
sl_loop(subsystems[index].table, prompt);
free(prompt);
return 0;
}
int
ss_list_requests(int argc, char **argv /* , int index, void *info */)
{
sl_help(subsystems[0 /* index */].table, argc, argv);
return 0;
}
int
ss_quit(int argc, char **argv)
{
return 1;
}