6 * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation version 2 of the License.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 675 Mass Ave, Cambridge, MA 02139, USA.
32 #include "udev_version.h"
35 #include "libsysfs/libsysfs.h"
37 /* global variables */
41 char sysfs_path
[SYSFS_PATH_MAX
];
42 char *udev_config_dir
;
44 char udev_db_filename
[PATH_MAX
+NAME_MAX
];
45 char udev_config_permission_filename
[PATH_MAX
+NAME_MAX
];
46 char udev_config_filename
[PATH_MAX
+NAME_MAX
];
49 static inline char *get_action(void)
53 action
= getenv("ACTION");
57 static inline char *get_devpath(void)
61 devpath
= getenv("DEVPATH");
65 static inline char *get_seqnum(void)
69 seqnum
= getenv("SEQNUM");
73 static void get_dirs(void)
79 udev_test
= getenv("UDEV_TEST");
80 if (udev_test
== NULL
) {
81 /* normal operation, use the compiled in defaults */
82 udev_config_dir
= UDEV_CONFIG_DIR
;
83 udev_root
= UDEV_ROOT
;
84 retval
= sysfs_get_mnt_path(sysfs_path
, SYSFS_PATH_MAX
);
85 dbg("sysfs_path = %s", sysfs_path
);
87 dbg("sysfs_get_mnt_path failed");
90 /* hm testing is happening, use the specified values */
91 temp
= getenv("UDEV_SYSFS_PATH");
92 strncpy(sysfs_path
, temp
, sizeof(sysfs_path
));
93 udev_config_dir
= getenv("UDEV_CONFIG_DIR");
94 udev_root
= getenv("UDEV_ROOT");
97 strncpy(udev_db_filename
, udev_config_dir
, sizeof(udev_db_filename
));
98 strncat(udev_db_filename
, UDEV_DB
, sizeof(udev_db_filename
));
100 strncpy(udev_config_filename
, udev_config_dir
, sizeof(udev_config_filename
));
101 strncat(udev_config_filename
, NAMEDEV_CONFIG_FILE
, sizeof(udev_config_filename
));
103 strncpy(udev_config_permission_filename
, udev_config_dir
, sizeof(udev_config_permission_filename
));
104 strncat(udev_config_permission_filename
, NAMEDEV_CONFIG_PERMISSION_FILE
, sizeof(udev_config_permission_filename
));
107 int main(int argc
, char **argv
, char **envp
)
112 int retval
= -EINVAL
;
117 dbg("version %s", UDEV_VERSION
);
120 dbg ("unknown number of arguments");
126 devpath
= get_devpath();
131 dbg("looking at %s", devpath
);
133 /* we only care about class devices and block stuff */
134 if (!strstr(devpath
, "class") &&
135 !strstr(devpath
, "block")) {
136 dbg("not block or class");
140 /* but we don't care about net class devices */
141 if (strcmp(subsystem
, "net") == 0) {
142 dbg("don't care about net devices");
146 action
= get_action();
152 /* initialize udev database */
154 retval
= udevdb_init(UDEVDB_DEFAULT
);
156 dbg("Unable to initialize database.");
160 /* initialize the naming deamon */
163 if (strcmp(action
, "add") == 0)
164 retval
= udev_add_device(devpath
, subsystem
);
166 else if (strcmp(action
, "remove") == 0)
167 retval
= udev_remove_device(devpath
, subsystem
);
170 dbg("Unknown action: %s", action
);