release/src-rt-6.x.4708/router/rc/rc.c

   1 /*
   2
   3         Tomato Firmware
   4         Copyright (C) 2006-2009 Jonathan Zarate
   5
   6 */
   7
   8 #include "rc.h"
   9
  10
  11 #ifdef DEBUG_RCTEST
  12 // used for various testing
  13 static int rctest_main(int argc, char *argv[])
  14 {
  15         if (argc < 2) {
  16                 printf("test what?\n");
  17         }
  18         else {
  19                 printf("%s\n", argv[1]);
  20
  21                 if (strcmp(argv[1], "foo") == 0) {
  22                 }
  23                 else if (strcmp(argv[1], "qos") == 0) {
  24                         start_qos();
  25                 }
  26 #ifdef TCONFIG_IPV6
  27                 if (strcmp(argv[1], "6rd") == 0) {
  28                         stop_6rd_tunnel();
  29                         start_6rd_tunnel();
  30                 }
  31 #endif
  32 #ifdef DEBUG_IPTFILE
  33                 else if (strcmp(argv[1], "iptfile") == 0) {
  34                         create_test_iptfile();
  35                 }
  36 #endif
  37                 else {
  38                         printf("what?\n");
  39                 }
  40         }
  41         return 0;
  42 }
  43 #endif
  44
  45
  46 static int hotplug_main(int argc, char *argv[])
  47 {
  48         if (argc >= 2) {
  49                 if (strcmp(argv[1], "net") == 0) {
  50                         hotplug_net();
  51                 }
  52 #ifdef TCONFIG_USB
  53                 // !!TB - USB Support
  54                 else if (strcmp(argv[1], "usb") == 0) {
  55                         hotplug_usb();
  56                 }
  57 #ifdef LINUX26
  58                 else if (strcmp(argv[1], "block") == 0) {
  59                         hotplug_usb();
  60                 }
  61 #endif
  62 #endif
  63         }
  64         return 0;
  65 }
  66
  67 static int rc_main(int argc, char *argv[])
  68 {
  69         if (argc < 2) return 0;
  70         if (strcmp(argv[1], "start") == 0) return kill(1, SIGUSR2);
  71         if (strcmp(argv[1], "stop") == 0) return kill(1, SIGINT);
  72         if (strcmp(argv[1], "restart") == 0) return kill(1, SIGHUP);
  73         return 0;
  74 }
  75
  76
  77
  78 typedef struct {
  79         const char *name;
  80         int (*main)(int argc, char *argv[]);
  81 } applets_t;
  82
  83 static const applets_t applets[] = {
  84         { "preinit",                            init_main                               },
  85         { "init",                               init_main                               },
  86         { "console",                            console_main                            },
  87         { "rc",                                 rc_main                                 },
  88         { "ip-up",                              ipup_main                               },
  89         { "ip-down",                    ipdown_main                             },
  90 /*  KDB - these functions do nothing why are they here?
  91 #ifdef TCONFIG_IPV6
  92         { "ipv6-up",                    ip6up_main                              },
  93         { "ipv6-down",                  ip6down_main                            },
  94 #endif
  95 */
  96         { "ppp_event",                  pppevent_main                   },
  97         { "hotplug",                    hotplug_main                    },
  98         { "redial",                             redial_main                             },
  99         { "listen",                             listen_main                             },
 100         { "service",                    service_main                    },
 101         { "sched",                              sched_main                              },
 102 #ifdef TCONFIG_BCMARM
 103         { "mtd-write",                  mtd_write_main_old              },
 104         { "mtd-erase",                  mtd_unlock_erase_main_old       },
 105         { "mtd-unlock",                 mtd_unlock_erase_main_old       },
 106 #else
 107         { "mtd-write",                  mtd_write_main                  },
 108         { "mtd-erase",                  mtd_unlock_erase_main           },
 109         { "mtd-unlock",                 mtd_unlock_erase_main           },
 110 #endif
 111         { "buttons",                    buttons_main                    },
 112 #ifdef CONFIG_BCMWL6
 113         { "blink_5g",                   blink_5g_main                   },
 114 #endif
 115         { "rcheck",                             rcheck_main                             },
 116         { "dhcpc-event",                dhcpc_event_main                },
 117         { "dhcpc-release",              dhcpc_release_main              },
 118         { "dhcpc-renew",                dhcpc_renew_main                },
 119 #ifdef TCONFIG_IPV6
 120         { "dhcp6c-state",               dhcp6c_state_main               },
 121 #endif
 122         { "radio",                              radio_main                              },
 123         { "led",                                led_main                                },
 124         { "halt",                               reboothalt_main                 },
 125         { "reboot",                             reboothalt_main                 },
 126         { "gpio",                               gpio_main                               },
 127         { "wldist",                             wldist_main                             },
 128 #ifdef TCONFIG_CIFS
 129         { "mount-cifs",                 mount_cifs_main                 },
 130 #endif
 131 #ifdef TCONFIG_DDNS
 132         { "ddns-update",                ddns_update_main                },
 133 #endif
 134 #ifdef DEBUG_RCTEST
 135         { "rctest",                             rctest_main                             },
 136 #endif
 137         {NULL, NULL}
 138 };
 139
 140 #ifdef TCONFIG_BCMARM
 141 void erase_nvram(void)
 142 {
 143         eval("mtd-erase2", "nvram");
 144 }
 145 #endif
 146
 147 int main(int argc, char **argv)
 148 {
 149         char *base;
 150         int f;
 151
 152         /*
 153                 Make sure std* are valid since several functions attempt to close these
 154                 handles. If nvram_*() runs first, nvram=0, nvram gets closed. - zzz
 155         */
 156         if ((f = open("/dev/null", O_RDWR)) < 3) {
 157                 dup(f);
 158                 dup(f);
 159         }
 160         else {
 161                 close(f);
 162         }
 163
 164         base = strrchr(argv[0], '/');
 165         base = base ? base + 1 : argv[0];
 166
 167 #if 1
 168         if (strcmp(base, "rc") == 0) {
 169                 if (argc < 2) return 1;
 170                 if (strcmp(argv[1], "start") == 0) return kill(1, SIGUSR2);
 171                 if (strcmp(argv[1], "stop") == 0) return kill(1, SIGINT);
 172                 if (strcmp(argv[1], "restart") == 0) return kill(1, SIGHUP);
 173                 ++argv;
 174                 --argc;
 175                 base = argv[0];
 176         }
 177 #endif
 178
 179
 180
 181 #if defined(DEBUG_NOISY)
 182         if (nvram_match("debug_logrc", "1")) {
 183                 int i;
 184
 185                 cprintf("[rc %d] ", getpid());
 186                 for (i = 0; i < argc; ++i) {
 187                         cprintf("%s ", argv[i]);
 188                 }
 189                 cprintf("\n");
 190
 191         }
 192 #endif
 193
 194 #if defined(DEBUG_NOISY)
 195         if (nvram_match("debug_ovrc", "1")) {
 196                 char tmp[256];
 197                 char *a[32];
 198
 199                 realpath(argv[0], tmp);
 200                 if ((strncmp(tmp, "/tmp/", 5) != 0) && (argc < 32)) {
 201                         sprintf(tmp, "%s%s", "/tmp/", base);
 202                         if (f_exists(tmp)) {
 203                                 cprintf("[rc] override: %s\n", tmp);
 204                                 memcpy(a, argv, argc * sizeof(a[0]));
 205                                 a[argc] = 0;
 206                                 a[0] = tmp;
 207                                 execvp(tmp, a);
 208                                 exit(0);
 209                         }
 210                 }
 211         }
 212 #endif
 213
 214         const applets_t *a;
 215         for (a = applets; a->name; ++a) {
 216                 if (strcmp(base, a->name) == 0) {
 217                         openlog(base, LOG_PID, LOG_USER);
 218                         return a->main(argc, argv);
 219                 }
 220         }
 221
 222 #ifdef TCONFIG_BCMARM
 223         if (!strcmp(base, "nvram_erase")){
 224                 erase_nvram();
 225                 return 0;
 226         }
 227         /* mtd-erase2 [device] */
 228         else if (!strcmp(base, "mtd-erase2")) {
 229                 if (argv[1] && ((!strcmp(argv[1], "boot")) ||
 230                 (!strcmp(argv[1], "linux")) ||
 231                 (!strcmp(argv[1], "linux2")) ||
 232                 (!strcmp(argv[1], "rootfs")) ||
 233                 (!strcmp(argv[1], "rootfs2")) ||
 234                 (!strcmp(argv[1], "nvram")))) {
 235
 236                 return mtd_erase(argv[1]);
 237         } else {
 238                 fprintf(stderr, "usage: mtd-erase2 [device]\n");
 239                 return EINVAL;
 240                 }
 241         }
 242         /* mtd-write2 [path] [device] */
 243         else if (!strcmp(base, "mtd-write2")) {
 244         if (argc >= 3)
 245                 return mtd_write(argv[1], argv[2]);
 246         else {
 247                 fprintf(stderr, "usage: mtd-write2 [path] [device]\n");
 248                 return EINVAL;
 249                 }
 250         }
 251 #endif
 252
 253         printf("Unknown applet: %s\n", base);
 254         return 0;
 255 }