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/*
* udev_run_devd.c - directory multiplexer
*
* Copyright (C) 2005 Kay Sievers <kay@vrfy.org>
*
* 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.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stddef.h>
#include <dirent.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include "../../udev_utils.h"
#include "../../list.h"
#include "../../logging.h"
#include "run_directory.h"
#ifdef USE_LOG
void log_message (int priority, const char *format, ...)
{
va_list args;
static int udev_log = -1;
if (udev_log == -1) {
const char *value;
value = getenv("UDEV_LOG");
if (value)
udev_log = log_priority(value);
else
udev_log = LOG_ERR;
}
if (priority > udev_log)
return;
va_start(args, format);
vsyslog(priority, format, args);
va_end(args);
}
#endif
int main(int argc, char *argv[], char *envp[])
{
char dirname[NAME_SIZE];
const char *devname;
const char *my_devname;
const char *subsystem;
int fd;
devname = getenv("DEVNAME");
if (devname == NULL)
exit(0);
/*
* Hack, we are assuming that the device nodes are in /dev,
* if not, this will not work, but you should be using the
* RUN= rule anyway...
*/
my_devname = strstr(devname, "/dev/");
if (my_devname != NULL)
my_devname = &my_devname[5];
else
my_devname = devname;
subsystem = argv[1];
logging_init("udev_run_devd");
fd = open("/dev/null", O_RDWR);
if (fd >= 0) {
dup2(fd, STDOUT_FILENO);
dup2(fd, STDIN_FILENO);
dup2(fd, STDERR_FILENO);
close(fd);
}
dbg("running dev.d directory");
sprintf(dirname, "/etc/dev.d/%s", my_devname);
run_directory(dirname, ".dev", subsystem);
sprintf(dirname, "/etc/dev.d/%s", subsystem);
run_directory(dirname, ".dev", subsystem);
run_directory("/etc/dev.d/default", ".dev", subsystem);
exit(0);
}
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