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-rw-r--r--udev.c233
1 files changed, 12 insertions, 221 deletions
diff --git a/udev.c b/udev.c
index 3b701ac26f..4c67477c20 100644
--- a/udev.c
+++ b/udev.c
@@ -3,8 +3,7 @@
*
* Userspace devfs
*
- * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
- *
+ * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -24,12 +23,9 @@
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
-#include <fcntl.h>
-#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include <signal.h>
-#include <stdarg.h>
#include "udev.h"
#include "udev_version.h"
@@ -83,201 +79,6 @@ static inline char *get_seqnum(void)
return seqnum;
}
-/* callback for database dump */
-static int print_record(char *path, struct udevice *dev)
-{
- printf("P: %s\n", path);
- printf("N: %s\n", dev->name);
- printf("S: %s\n", dev->symlink);
- printf("O: %s\n", dev->owner);
- printf("G: %s\n", dev->group);
- printf("\n");
- return 0;
-}
-
-enum query_type {
- NONE,
- NAME,
- PATH,
- SYMLINK,
- OWNER,
- GROUP
-};
-
-static inline int udev_user(int argc, char **argv)
-{
- static const char short_options[] = "dn:p:q:rVh";
- int option;
- int retval = -EINVAL;
- struct udevice dev;
- int root = 0;
- enum query_type query = NONE;
- char result[NAME_SIZE] = "";
- char path[NAME_SIZE] = "";
- char name[NAME_SIZE] = "";
-
- /* get command line options */
- while (1) {
- option = getopt(argc, argv, short_options);
- if (option == -1)
- break;
-
- dbg("option '%c'", option);
- switch (option) {
- case 'n':
- dbg("udev name: %s\n", optarg);
- strfieldcpy(name, optarg);
- break;
-
- case 'p':
- dbg("udev path: %s\n", optarg);
- strfieldcpy(path, optarg);
- break;
-
- case 'q':
- dbg("udev query: %s\n", optarg);
-
- if (strcmp(optarg, "name") == 0) {
- query = NAME;
- break;
- }
-
- if (strcmp(optarg, "symlink") == 0) {
- query = SYMLINK;
- break;
- }
-
- if (strcmp(optarg, "owner") == 0) {
- query = OWNER;
- break;
- }
-
- if (strcmp(optarg, "group") == 0) {
- query = GROUP;
- break;
- }
-
- if (strcmp(optarg, "path") == 0) {
- query = PATH;
- break;
- }
-
- printf("unknown query type\n");
- return -EINVAL;
-
- case 'r':
- root = 1;
- break;
-
- case 'd':
- retval = udevdb_open_ro();
- if (retval != 0) {
- printf("unable to open udev database\n");
- return -EACCES;
- }
- retval = udevdb_call_foreach(print_record);
- udevdb_exit();
- return retval;
-
- case 'V':
- printf("udev, version %s\n", UDEV_VERSION);
- return 0;
-
- case 'h':
- retval = 0;
- case '?':
- default:
- goto help;
- }
- }
-
- /* process options */
- if (query != NONE) {
- retval = udevdb_open_ro();
- if (retval != 0) {
- printf("unable to open udev database\n");
- return -EACCES;
- }
-
- if (path[0] != '\0') {
- retval = udevdb_get_dev(path, &dev);
- if (retval != 0) {
- printf("device not found in database\n");
- goto exit;
- }
- goto print;
- }
-
- if (name[0] != '\0') {
- retval = udevdb_get_dev_byname(name, path, &dev);
- if (retval != 0) {
- printf("device not found in database\n");
- goto exit;
- }
- goto print;
- }
-
- printf("query needs device path(-p) or node name(-n) specified\n");
- goto exit;
-
-print:
- switch(query) {
- case NAME:
- if (root)
- strfieldcpy(result, udev_root);
- strncat(result, dev.name, sizeof(result));
- break;
-
- case SYMLINK:
- strfieldcpy(result, dev.symlink);
- break;
-
- case GROUP:
- strfieldcpy(result, dev.group);
- break;
-
- case OWNER:
- strfieldcpy(result, dev.owner);
- break;
-
- case PATH:
- strfieldcpy(result, path);
- break;
-
- default:
- goto exit;
- }
- printf("%s\n", result);
-
-exit:
- udevdb_exit();
- return retval;
- }
-
- if (root) {
- printf("%s\n", udev_root);
- return 0;
- }
-
-help:
- printf("Usage: [-npqrdVh]\n"
- " -q TYPE query database for the specified value:\n"
- " 'name' name of device node\n"
- " 'symlink' pointing to node\n"
- " 'owner' of node\n"
- " 'group' of node\n"
- " 'path' sysfs device path\n"
- " -p PATH sysfs device path used for query\n"
- " -n NAME node name used for query\n"
- "\n"
- " -r print udev root\n"
- " -d dump whole database\n"
- " -V print udev version\n"
- " -h print this help text\n"
- "\n");
- return retval;
-}
-
static char *subsystem_blacklist[] = {
"net",
"scsi_host",
@@ -287,7 +88,7 @@ static char *subsystem_blacklist[] = {
"",
};
-static inline int udev_hotplug(int argc, char **argv)
+static int udev_hotplug(int argc, char **argv)
{
char *action;
char *devpath;
@@ -295,7 +96,11 @@ static inline int udev_hotplug(int argc, char **argv)
int retval = -EINVAL;
int i;
- subsystem = argv[1];
+ action = get_action();
+ if (!action) {
+ dbg ("no action?");
+ goto exit;
+ }
devpath = get_devpath();
if (!devpath) {
@@ -312,6 +117,7 @@ static inline int udev_hotplug(int argc, char **argv)
}
/* skip blacklisted subsystems */
+ subsystem = argv[1];
i = 0;
while (subsystem_blacklist[i][0] != '\0') {
if (strcmp(subsystem, subsystem_blacklist[i]) == 0) {
@@ -321,15 +127,12 @@ static inline int udev_hotplug(int argc, char **argv)
i++;
}
- action = get_action();
- if (!action) {
- dbg ("no action?");
- goto exit;
- }
-
/* connect to the system message bus */
sysbus_connect();
+ /* initialize our configuration */
+ udev_init_config();
+
/* initialize udev database */
retval = udevdb_init(UDEVDB_DEFAULT);
if (retval != 0) {
@@ -370,24 +173,12 @@ exit:
int main(int argc, char **argv, char **envp)
{
- int retval;
main_argv = argv;
main_envp = envp;
dbg("version %s", UDEV_VERSION);
- /* initialize our configuration */
- udev_init_config();
-
- if (argc == 2 && argv[1][0] != '-') {
- dbg("called by hotplug");
- retval = udev_hotplug(argc, argv);
- } else {
- dbg("called by user");
- retval = udev_user(argc, argv);
- }
-
- return retval;
+ return udev_hotplug(argc, argv);
}