udev/udev-builtin.c

   1 /*
   2  * Copyright (C) 2007-2009 Kay Sievers <kay.sievers@vrfy.org>
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <unistd.h>
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <stddef.h>
  22 #include <string.h>
  23 #include <errno.h>
  24 #include <getopt.h>
  25
  26 #include "udev.h"
  27
  28 static const struct udev_builtin *builtins[] = {
  29         [UDEV_BUILTIN_BLKID] = &udev_builtin_blkid,
  30         [UDEV_BUILTIN_FIRMWARE] = &udev_builtin_firmware,
  31         [UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id,
  32         [UDEV_BUILTIN_KMOD] = &udev_builtin_kmod,
  33         [UDEV_BUILTIN_PATH_ID] = &udev_builtin_path_id,
  34         [UDEV_BUILTIN_USB_ID] = &udev_builtin_usb_id,
  35 };
  36
  37 int udev_builtin_init(struct udev *udev)
  38 {
  39         unsigned int i;
  40
  41         for (i = 0; i < ARRAY_SIZE(builtins); i++)
  42                 if (builtins[i]->init)
  43                         builtins[i]->init(udev);
  44         return 0;
  45 }
  46
  47 int udev_builtin_exit(struct udev *udev)
  48 {
  49         unsigned int i;
  50
  51         for (i = 0; i < ARRAY_SIZE(builtins); i++)
  52                 if (builtins[i]->exit)
  53                         builtins[i]->exit(udev);
  54         return 0;
  55 }
  56
  57 int udev_builtin_list(struct udev *udev)
  58 {
  59         unsigned int i;
  60
  61         for (i = 0; i < ARRAY_SIZE(builtins); i++)
  62                 fprintf(stderr, "  %-12s %s\n", builtins[i]->name, builtins[i]->help);
  63         return 0;
  64 }
  65
  66 const char *udev_builtin_name(enum udev_builtin_cmd cmd)
  67 {
  68         return builtins[cmd]->name;
  69 }
  70
  71 bool udev_builtin_run_once(enum udev_builtin_cmd cmd)
  72 {
  73         return builtins[cmd]->run_once;
  74 }
  75
  76 enum udev_builtin_cmd udev_builtin_lookup(const char *command)
  77 {
  78         char name[UTIL_PATH_SIZE];
  79         enum udev_builtin_cmd i;
  80         char *pos;
  81
  82         util_strscpy(name, sizeof(name), command);
  83         pos = strchr(name, ' ');
  84         if (pos)
  85                 pos[0] = '\0';
  86         for (i = 0; i < ARRAY_SIZE(builtins); i++)
  87                 if (strcmp(builtins[i]->name, name) == 0)
  88                         return i;
  89         return UDEV_BUILTIN_MAX;
  90 }
  91
  92 int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test)
  93 {
  94         char arg[UTIL_PATH_SIZE];
  95         int argc;
  96         char *argv[128];
  97
  98         optind = 0;
  99         util_strscpy(arg, sizeof(arg), command);
 100         udev_build_argv(udev_device_get_udev(dev), arg, &argc, argv);
 101         return builtins[cmd]->cmd(dev, argc, argv, test);
 102 }
 103
 104 int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val)
 105 {
 106         struct udev_list_entry *entry;
 107
 108         entry = udev_device_add_property(dev, key, val);
 109         /* store in db, skip private keys */
 110         if (key[0] != '.')
 111                 udev_list_entry_set_num(entry, true);
 112
 113         info(udev_device_get_udev(dev), "%s=%s\n", key, val);
 114         if (test)
 115                 printf("%s=%s\n", key, val);
 116         return 0;
 117 }