src/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_PCI_DB] = &udev_builtin_pci_db,
  35         [UDEV_BUILTIN_USB_DB] = &udev_builtin_usb_db,
  36         [UDEV_BUILTIN_USB_ID] = &udev_builtin_usb_id,
  37 };
  38
  39 int udev_builtin_init(struct udev *udev)
  40 {
  41         unsigned int i;
  42         int err;
  43
  44         for (i = 0; i < ARRAY_SIZE(builtins); i++) {
  45                 if (builtins[i]->init) {
  46                         err = builtins[i]->init(udev);
  47                         if (err < 0)
  48                                 break;
  49                 }
  50         }
  51         return err;
  52 }
  53
  54 void udev_builtin_exit(struct udev *udev)
  55 {
  56         unsigned int i;
  57
  58         for (i = 0; i < ARRAY_SIZE(builtins); i++)
  59                 if (builtins[i]->exit)
  60                         builtins[i]->exit(udev);
  61 }
  62
  63 bool udev_builtin_validate(struct udev *udev)
  64 {
  65         unsigned int i;
  66         bool change = false;
  67
  68         for (i = 0; i < ARRAY_SIZE(builtins); i++)
  69                 if (builtins[i]->validate)
  70                         if (builtins[i]->validate(udev))
  71                                 change = true;
  72         return change;
  73 }
  74
  75 void udev_builtin_list(struct udev *udev)
  76 {
  77         unsigned int i;
  78
  79         for (i = 0; i < ARRAY_SIZE(builtins); i++)
  80                 fprintf(stderr, "  %-12s %s\n", builtins[i]->name, builtins[i]->help);
  81 }
  82
  83 const char *udev_builtin_name(enum udev_builtin_cmd cmd)
  84 {
  85         return builtins[cmd]->name;
  86 }
  87
  88 bool udev_builtin_run_once(enum udev_builtin_cmd cmd)
  89 {
  90         return builtins[cmd]->run_once;
  91 }
  92
  93 enum udev_builtin_cmd udev_builtin_lookup(const char *command)
  94 {
  95         char name[UTIL_PATH_SIZE];
  96         enum udev_builtin_cmd i;
  97         char *pos;
  98
  99         util_strscpy(name, sizeof(name), command);
 100         pos = strchr(name, ' ');
 101         if (pos)
 102                 pos[0] = '\0';
 103         for (i = 0; i < ARRAY_SIZE(builtins); i++)
 104                 if (strcmp(builtins[i]->name, name) == 0)
 105                         return i;
 106         return UDEV_BUILTIN_MAX;
 107 }
 108
 109 int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test)
 110 {
 111         char arg[UTIL_PATH_SIZE];
 112         int argc;
 113         char *argv[128];
 114
 115         optind = 0;
 116         util_strscpy(arg, sizeof(arg), command);
 117         udev_build_argv(udev_device_get_udev(dev), arg, &argc, argv);
 118         return builtins[cmd]->cmd(dev, argc, argv, test);
 119 }
 120
 121 int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val)
 122 {
 123         struct udev_list_entry *entry;
 124
 125         entry = udev_device_add_property(dev, key, val);
 126         /* store in db, skip private keys */
 127         if (key[0] != '.')
 128                 udev_list_entry_set_num(entry, true);
 129
 130         log_debug("%s=%s\n", key, val);
 131         if (test)
 132                 printf("%s=%s\n", key, val);
 133         return 0;
 134 }