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/*
* 0xFFFF - Open Free Fiasco Firmware Flasher
* Copyright (C) 2008 pancake <pancake@youterm.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "main.h"
#include "os.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#if HAVE_SQUEUE
struct squeue_t *q;
struct squeue_t *p;
int fork_enabled = 0;
int dofork()
{
if (fork_enabled)
return fork();
return 0;
}
void process_message(char *msg)
{
char *str;
char *arg;
if (msg == NULL)
return;
printf("[x] (%s)\n", msg);
str = strdup(msg);
arg = strchr(str, ':');
arg[0]='\0';
arg = arg +1;
if (!strcmp(str, "flash")) {
const char *type = fpid_file(arg);
if (type == NULL) {
squeue_push2(p, "error", "Unknown piece format", 1);
} else flash_image(arg, type, NULL, NULL, NULL);
} else
if (!strcmp(str, "reset")) {
if (reboot_board() == 0) {
squeue_push2(p,"info", "Device reboots", 1);
} else squeue_push2(p,"error", "Cannot reboot device", 1);
} else
if (!strcmp(str, "info")) {
get_rd_flags();
squeue_push2(p, "info", strbuf, 1);
get_nolo_version();
squeue_push2(p, "info", strbuf, 1);
get_usb_mode();
squeue_push2(p, "info", strbuf, 1);
} else
squeue_push2(p, "error", "invalid command", 0);
free(str);
}
static void cc()
{
squeue_close(p);
squeue_close(q);
printf("pipes closed\n");
squeue_release("/tmp/0xFFFF.1");
squeue_release("/tmp/0xFFFF.2");
exit(1);
}
int queue_mode()
{
int pid = 0;
char *msg;
signal(SIGINT, cc);
pid = dofork();
if (pid) {
wait(&pid);
return 0;
} else {
p = squeue_open("/tmp/0xFFFF.1", Q_CREAT);
q = squeue_open("/tmp/0xFFFF.2", Q_CREAT);
if (p == NULL || q == NULL) {
fprintf(stderr, "Cannot open queue files\n");
return 0;
}
chmod("/tmp/0xFFFF.1", 0666);
chmod("/tmp/0xFFFF.2", 0666);
pid = dofork();
if (pid) {
printf( "Entering into shared queue server mode.\n"
"Type $ kill -9 %d # to stop\n"
"NOTE: Manually remove the /tmp/.0xFFFF.* files to solve perm problems\n", pid);
} else {
do {
#if HAVE_USB
if (connect_via_usb()) {
fprintf(stderr, "Cannot connect to device. It is possibly not in boot stage.\n");
squeue_push2(p, "error", "Cannot connect to the device", 1);
return 0;
}
#endif
printf("Waiting for a client in shared queues..\n");
setsid();
while(1) {
msg = squeue_get(q, 1);
if (msg) {
process_message(msg);
squeue_pop(q);
}
}
printf("Connection restarted\n");
} while (1);
}
}
return 0;
}
#else
int queue_mode()
{
/* dummy */
fprintf(stderr, "No HAVE_SQUEUE support\n");
}
#endif
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