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/*
* 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; version 2 of the License
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2012 John Crispin <blogic@openwrt.org>
*/
#include <stdio.h>
#include <stdlib.h>
#define __USE_GNU
#include <string.h>
#include <regex.h>
#include <glob.h>
#include <libubox/list.h>
#include <libubox/blobmsg_json.h>
#include "libubus.h"
struct initd {
struct list_head list;
char *name;
char *exec;
char *desc;
char *tpl;
char **deps;
int start;
int stop;
};
static LIST_HEAD(initds);
static regex_t pat_provides, pat_require, pat_start, pat_stop, pat_desc, pat_exec, pat_tpl;
static struct ubus_context *ctx;
static struct blob_buf b;
static uint32_t service;
static void initd_free(struct initd *i)
{
if (i->name)
free(i->name);
if (i->exec)
free(i->exec);
if (i->desc)
free(i->desc);
if (i->tpl)
free(i->tpl);
}
static int initd_parse(const char *file)
{
FILE *fp;
struct initd *i;
regmatch_t matches[2];
char buffer[1024];
ssize_t len;
fp = fopen(file, "r");
if (!fp) {
fprintf(stderr, "failed to open %s\n", file);
return -1;
}
len = fread(buffer, 1, sizeof(buffer) - 1, fp);
fclose(fp);
if (len < 1) {
fprintf(stderr, "failed to read from %s\n", file);
return -1;
}
buffer[len] = '\0';
i = calloc(1, sizeof(struct initd));
if (!i) {
fprintf(stderr, "failed to alloc initd struct\n");
return -1;
}
if (!regexec(&pat_provides, buffer, 2, matches, 0))
i->name = strndup(buffer + matches[1].rm_so, (size_t)matches[1].rm_eo - matches[1].rm_so);
if (!regexec(&pat_exec, buffer, 2, matches, 0))
i->exec = strndup(buffer + matches[1].rm_so, matches[1].rm_eo - matches[1].rm_so);
if (!regexec(&pat_desc, buffer, 2, matches, 0))
i->desc = strndup(buffer + matches[1].rm_so, matches[1].rm_eo - matches[1].rm_so);
if (!regexec(&pat_tpl, buffer, 2, matches, 0))
i->tpl = strndup(buffer + matches[1].rm_so, matches[1].rm_eo - matches[1].rm_so);
if (!regexec(&pat_start, buffer, 2, matches, 0))
i->start += atoi(buffer + matches[1].rm_so);
if (!regexec(&pat_stop, buffer, 2, matches, 0))
i->stop += atoi(buffer + matches[1].rm_so);
if (i->name && i->exec)
list_add(&i->list, &initds);
else
initd_free(i);
return 0;
}
static void initd_init(void)
{
int gl_flags = GLOB_NOESCAPE | GLOB_MARK;
glob_t gl;
regcomp(&pat_provides, "# Provides:[ \t]*([a-zA-Z0-9]+)", REG_EXTENDED);
regcomp(&pat_require, "# Required-Start:[ \t]*([a-zA-Z0-9 ]+)", REG_EXTENDED);
regcomp(&pat_start, "# Default-Start:[ \t]*([0-9])", REG_EXTENDED);
regcomp(&pat_stop, "# Default-Stop:[ \t]*([0-9])", REG_EXTENDED);
regcomp(&pat_desc, "# Description:[ \t]*([a-zA-Z0-9 ]+)", REG_EXTENDED);
regcomp(&pat_exec, "# X-Exec:[ \t]*([a-zA-Z0-9/ ]+)", REG_EXTENDED);
regcomp(&pat_tpl, "# X-Template:[ \t]*([a-zA-Z0-9/.]+)", REG_EXTENDED);
if (glob("/etc/rc.d/P*", gl_flags, NULL, &gl) >= 0) {
int j;
for (j = 0; j < gl.gl_pathc; j++)
initd_parse(gl.gl_pathv[j]);
}
globfree(&gl);
regfree(&pat_provides);
regfree(&pat_require);
regfree(&pat_start);
regfree(&pat_stop);
regfree(&pat_desc);
regfree(&pat_exec);
regfree(&pat_tpl);
}
static int init_services(void)
{
struct initd *i;
void *instances, *instance, *command;
list_for_each_entry(i, &initds, list) {
char *t;
blob_buf_init(&b, 0);
blobmsg_add_string(&b, "name", i->name);
instances = blobmsg_open_table(&b, "instances");
instance = blobmsg_open_table(&b, "instance");
command = blobmsg_open_array(&b, "command");
t = strtok(i->exec, " ");
while (t) {
blobmsg_add_string(&b, NULL, t);
t = strtok(NULL, " ");
}
blobmsg_close_array(&b, command);
blobmsg_close_table(&b, instance);
blobmsg_close_table(&b, instances);
ubus_invoke(ctx, service, "add", b.head, NULL, 0, 1000);
}
return 0;
}
int main(int argc, char **argv)
{
int ret;
initd_init();
if (list_empty(&initds))
return 0;
ctx = ubus_connect(NULL);
if (!ctx) {
fprintf(stderr, "Failed to connect to ubus\n");
return -1;
}
ret = ubus_lookup_id(ctx, "service", &service);
if (ret) {
fprintf(stderr, "Failed to find service object: %s\n", ubus_strerror(ret));
return -1;
}
return init_services();
}
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