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/*
* Copyright (c) by Shuu Yamaguchi <shuu@dotaster.com>
*
* $Id: hotplug.c,v 3.8 2002/01/21 17:41:36 shuu Exp shuu $
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include "murasaki.h"
#define EXEC_PATH MU_CONF_DIR ":" MU_BIN_DIR ":"
#define HOTPLUG_MAX_ARGS 3
#define LOG_LEVEL LOG_CONS
#ifdef DEBUG
#define DPRINTF( args... ) syslog(args)
#define DPRINT_ARGS(name,arg) print_args((name),(arg))
#else
#define DPRINTF( args... )
#define DPRINT_ARGS(name,arg)
#endif
struct arg_command {
char *arg;
char *cmd;
};
struct arg_command cmd_table[] = {
{MU_ARG_USB, MU_MURASAKI "." MU_ARG_USB},
{MU_ARG_PCI, MU_MURASAKI "." MU_ARG_PCI},
{MU_ARG_NET, MU_MURASAKI "." MU_ARG_NET},
{MU_ARG_IEEE1394, MU_MURASAKI "." MU_ARG_IEEE1394},
{NULL,NULL}
};
static int
add_path(char **env)
{
char *newpath;
int i;
for(i = 0;env[i] != NULL;i++) {
if (strncmp("PATH=",env[i],sizeof("PATH=")-1) == 0)
break;
}
/*
* need to reallocate env if env[i] == NULL
* but, I think it should be error.
*/
if (env[i] == NULL)
return -1;
newpath = malloc(sizeof("PATH=") - 1 + sizeof(EXEC_PATH) - 1 + strlen(env[i]) + 1);
if (newpath == NULL)
return -1;
strcpy(newpath,"PATH=");
strcpy(newpath+sizeof("PATH=")-1,EXEC_PATH);
strcpy(newpath+sizeof("PATH=")-1+sizeof(EXEC_PATH)-1,env[i]+sizeof("PATH=")-1);
DPRINTF(LOG_LEVEL,"path = \"%s\"",newpath);
env[i] = newpath;
return 0;
}
#ifdef DEBUG
static void
print_args(char *name,char **av)
{
int i;
for(i = 0;av[i] != NULL;i++)
syslog(LOG_LEVEL,"%s[%d] = \"%s\"\n",name,i,av[i]);
}
#endif
static void
usage(void)
{
printf("Usage: hotplug usb|pci|net|ieee1394\n");
exit(1);
}
int
main(int argc,char **argv,char **env)
{
char *cmd[HOTPLUG_MAX_ARGS];
int idx;
if (argc == 1) {
usage();
}
openlog("hotplug",LOG_PID|LOG_CONS,LOG_DAEMON);
if (add_path(env) == -1) {
exit(1);
}
DPRINT_ARGS("argv",argv);
cmd[1] = NULL;
for (idx = 0;cmd_table[idx].arg != NULL;idx++) {
if (strcmp(argv[1],cmd_table[idx].arg) == 0) {
cmd[0] = cmd_table[idx].cmd;
#ifdef DEBUG
switch(idx) {
case 0: /* USB */
DPRINTF(LOG_LEVEL,"%s ACTION=%s PRODUCT=%s TYPE=%s INTERFACE=%s DEVFS=%s DEVICE=%s",
argv[1],getenv("ACTION"),getenv("PRODUCT"),
getenv("TYPE"),getenv("INTERFACE"),getenv("DEVFS"),
getenv("DEVICE"));
break;
case 1: /* PCI */
DPRINTF(LOG_LEVEL,"%s ACTION=%s PCI_CLASS=%s PCI_ID=%s PCI_SUBSYS_ID=%s PCI_SLOT_NAME=%s",
argv[1],getenv("ACTION"),getenv("PCI_CLASS"),
getenv("PCI_ID"),getenv("PCI_SUBSYS_ID"),
getenv("PCI_SLOT_NAME"));
break;
case 2: /* NET */
DPRINTF(LOG_LEVEL,"%s ACTION=%s INTERFACE=%s",
argv[1],getenv("ACTION"),getenv("INTERFACE"));
break;
case 3: /* IEEE1394 */
DPRINTF(LOG_LEVEL,"%s ACTION=%s VENDOR_ID=%s GUID=%s SPECIFIER_ID=%s VERSION=%s",
argv[1],getenv("ACTION"),getenv("VENDOR_ID"),
getenv("GUID"),getenv("SPECIFIER_ID"),getenv("VERSION"));
}
#endif
break;
}
}
if (cmd_table[idx].arg == NULL) {
syslog(LOG_LEVEL,"unknown argument");
#ifdef DEBUG
print_args("argv",argv);
print_args("env",env);
#endif
exit(1);
}
closelog();
DPRINT_ARGS("cmd",cmd);
execvp(cmd[0],cmd);
/* not reached */
return 0;
}
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