From: greg@kroah.com Date: Tue, 19 Oct 2004 02:40:21 +0000 (-0700) Subject: [PATCH] delete udevruler.c as per Kay's request. X-Git-Tag: 040~7 X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=1da6b0d0a71960f49e1ecf8bd9f1bc9e14c2b90e [PATCH] delete udevruler.c as per Kay's request. --- diff --git a/udevruler.c b/udevruler.c deleted file mode 100644 index a065591cd..000000000 --- a/udevruler.c +++ /dev/null @@ -1,490 +0,0 @@ -/* - * udevruler.c - simple udev-rule composer - * - * Reads the udev-db to get all currently known devices and - * scans the sysfs device chain for the choosen device to select attributes - * to compose a rule for the udev.rules file to uniquely name this device. - * - * Copyright (C) 2004 Kay Sievers - * - * 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 - * Free Software Foundation version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#include -#include -#include -#include -#include -#include -#include - -#include "udev.h" -#include "udev_lib.h" -#include "udev_version.h" -#include "udevdb.h" -#include "logging.h" -#include "libsysfs/sysfs.h" -#include "list.h" - -#ifdef LOG -unsigned char logname[LOGNAME_SIZE]; -void log_message(int level, const char *format, ...) -{ - va_list args; - - if (!udev_log) - return; - - va_start(args, format); - vsyslog(level, format, args); - va_end(args); -} -#endif - -static char *dev_blacklist[] = { - "tty", - "pty", - "zero", - "null", - "kmsg", - "rtc", - "timer", - "full", - "kmem", - "mem", - "random", - "urandom", - "console", - "port", - "" -}; - -struct device { - struct list_head list; - char name[NAME_SIZE]; - char devpath[DEVPATH_SIZE]; - int config_line; - char config_file[NAME_SIZE]; - long config_uptime; - int added; -}; - -static LIST_HEAD(device_list); -static int device_count; - -/* callback for database dump */ -static int add_record(char *path, struct udevice *udev) -{ - struct device *dev; - struct device *loop_dev; - int i = 0; - - while (dev_blacklist[i][0] != '\0') { - if (strncmp(udev->name, dev_blacklist[i], strlen(dev_blacklist[i])) == 0) - goto exit; - i++; - } - - dev = malloc(sizeof(struct device)); - if (dev == NULL) { - printf("error malloc\n"); - exit(2); - } - strfieldcpy(dev->name, udev->name); - strfieldcpy(dev->devpath, path); - dev->config_line = udev->config_line; - strfieldcpy(dev->config_file, udev->config_file); - dev->config_uptime = udev->config_uptime; - dev->added = 0; - - /* sort in lexical order */ - list_for_each_entry(loop_dev, &device_list, list) { - if (strcmp(loop_dev->name, dev->name) > 0) { - break; - } - } - - list_add_tail(&dev->list, &loop_dev->list); - device_count++; - -exit: - return 0; -} - -/* get all devices from udev database */ -static int get_all_devices(void) -{ - int retval; - - device_count = 0; - INIT_LIST_HEAD(&device_list); - - retval = udevdb_open_ro(); - if (retval != 0) { - printf("unable to open udev database\n"); - exit(1); - } - - udevdb_call_foreach(add_record); - udevdb_exit(); - - return 0; -} - -struct attribute { - struct list_head list; - int level; - char key[NAME_SIZE]; -}; - -static LIST_HEAD(attribute_list); -static int attribute_count; - -static int add_attribute(const char *key, int level) -{ - struct attribute *attr; - - dbg("add attribute '%s'", key); - attr = malloc(sizeof(struct attribute)); - if (attr == NULL) { - printf("error malloc\n"); - exit(2); - } - - strfieldcpy(attr->key, key); - attr->level = level; - list_add_tail(&attr->list, &attribute_list); - attribute_count++; - return 0; -} - -static int add_all_attributes(const char *path, int level) -{ - struct dlist *attributes; - struct sysfs_attribute *attr; - struct sysfs_directory *sysfs_dir; - char value[NAME_SIZE]; - char key[NAME_SIZE]; - int len; - int retval = 0; - - dbg("look at '%s', level %i", path, level); - - sysfs_dir = sysfs_open_directory(path); - if (sysfs_dir == NULL) - return -1; - - attributes = sysfs_get_dir_attributes(sysfs_dir); - if (attributes == NULL) { - retval = -1; - return 0; - } - - dlist_for_each_data(attributes, attr, struct sysfs_attribute) - if (attr->value != NULL) { - dbg("found attribute '%s'", attr->name); - strfieldcpy(value, attr->value); - len = strlen(value); - if (len == 0) - continue; - - /* skip very long attributes */ - if (len > 40) - continue; - - /* remove trailing newline */ - if (value[len-1] == '\n') { - value[len-1] = '\0'; - len--; - } - - /* skip nonprintable values */ - while (len) { - if (!isprint(value[len-1])) - break; - len--; - } - if (len == 0) { - sprintf(key, "SYSFS{%s}=\"%s\"", attr->name, value); - add_attribute(key, level); - } - } - - sysfs_close_directory(sysfs_dir); - return 0; -} - -static int get_all_attributes(char *path) -{ - struct sysfs_class_device *class_dev; - struct sysfs_class_device *class_dev_parent; - struct sysfs_device *sysfs_dev; - struct sysfs_device *sysfs_dev_parent; - char key[NAME_SIZE]; - int retval = 0; - int level = 0; - - attribute_count = 0; - INIT_LIST_HEAD(&attribute_list); - - /* get the class dev */ - class_dev = sysfs_open_class_device_path(path); - if (class_dev == NULL) { - dbg("couldn't get the class device"); - return -1; - } - - /* open sysfs class device directory and get all attributes */ - if (add_all_attributes(class_dev->path, level) != 0) { - dbg("couldn't open class device directory"); - retval = -1; - goto exit; - } - level++; - - /* get the device link (if parent exists look here) */ - class_dev_parent = sysfs_get_classdev_parent(class_dev); - if (class_dev_parent != NULL) - sysfs_dev = sysfs_get_classdev_device(class_dev_parent); - else - sysfs_dev = sysfs_get_classdev_device(class_dev); - - /* look the device chain upwards */ - while (sysfs_dev != NULL) { - if (sysfs_dev->bus[0] != '\0') { - add_attribute("", level); - sprintf(key, "BUS=\"%s\"", sysfs_dev->bus); - add_attribute(key, level); - sprintf(key, "ID=\"%s\"", sysfs_dev->bus_id); - add_attribute(key, level); - - /* open sysfs device directory and print all attributes */ - add_all_attributes(sysfs_dev->path, level); - } - level++; - - sysfs_dev_parent = sysfs_get_device_parent(sysfs_dev); - if (sysfs_dev_parent == NULL) - break; - - sysfs_dev = sysfs_dev_parent; - } - -exit: - sysfs_close_class_device(class_dev); - return retval; -} - - -int main(int argc, char *argv[]) { - newtComponent lbox, run, lattr; - newtComponent quit, form, answer; - newtGrid grid, grid2; - char roottext[81]; - char path[NAME_SIZE]; - struct device *dev; - long time_last; - int count_last; - - newtInit(); - newtCls(); - - newtWinMessage("udevruler", "Ok", - "This program lets you select a device currently present " - "on the system and you may choose the attributes to uniquely " - "name the device with a udev rule.\n" - "No configuration will be changed, it just prints the rule " - "to place in a udev.rules configuration file. The \"%k\" in the " - "NAME key of the printed rule may be replaced by the name the " - "node should have."); - - init_logging("udevruler"); - udev_init_config(); - get_all_devices(); - - lbox = newtListbox(2, 1, 10, NEWT_FLAG_SCROLL | NEWT_FLAG_RETURNEXIT); - - /* look for last discovered device */ - time_last = 0; - list_for_each_entry(dev, &device_list, list) - if (dev->config_uptime > time_last) - time_last = dev->config_uptime; - - /* skip if more than 16 recent devices */ - count_last = 0; - list_for_each_entry(dev, &device_list, list) { - if (dev->config_uptime < time_last - 10) - continue; - count_last++; - } - - /* add devices up to 10 seconds older than the last one */ - if (count_last < 16) { - newtListboxAppendEntry(lbox, "--- last dicovered ---", NULL); - list_for_each_entry(dev, &device_list, list) { - if (dev->config_uptime < time_last - 10) - continue; - - dbg("%s %i", dev->name, dev->config_line); - newtListboxAppendEntry(lbox, dev->name, (void*) dev); - dev->added = 1; - } - newtListboxAppendEntry(lbox, "", NULL); - } - - /* add devices not catched by a rule */ - newtListboxAppendEntry(lbox, "--- not configured by a rule ---", NULL); - list_for_each_entry(dev, &device_list, list) { - if (dev->added) - continue; - - if (dev->config_line != 0) - continue; - - dbg("%s %i", dev->name, dev->config_line); - newtListboxAppendEntry(lbox, dev->name, (void*) dev); - dev->added = 1; - } - newtListboxAppendEntry(lbox, "", NULL); - - /* add remaining devices */ - newtListboxAppendEntry(lbox, "--- configured by a rule ---", NULL); - list_for_each_entry(dev, &device_list, list) { - if (dev->added) - continue; - - dbg("%s %i", dev->name, dev->config_line); - newtListboxAppendEntry(lbox, dev->name, (void*) dev); - } - - newtPushHelpLine(" / between elements | Use to select a device"); - snprintf(roottext, sizeof(roottext), "simple udev rule composer, version %s, (c) 2004 can't sleep team", UDEV_VERSION); - roottext[sizeof(roottext)-1] = '\0'; - newtDrawRootText(0, 0, roottext); - - form = newtForm(NULL, NULL, 0); - grid = newtCreateGrid(1, 2); - grid2 = newtButtonBar("Select device", &run, "Quit", &quit, NULL); - newtGridSetField(grid, 0, 0, NEWT_GRID_COMPONENT, lbox, 1, 0, 1, 0, NEWT_ANCHOR_TOP, 0); - newtGridSetField(grid, 0, 1, NEWT_GRID_SUBGRID, grid2, 0, 1, 0, 0, NEWT_ANCHOR_TOP, 0); - newtFormAddComponents(form, lbox, run, quit, NULL); - newtGridWrappedWindow(grid,"Choose the device for which to compose a rule"); - newtGridFree(grid, 1); - - while (1) { - struct attribute *attr; - newtComponent ok, back, form2, answer2, text; - newtGrid grid3, grid4; - int i; - int numitems; - struct attribute **selattr; - char text_rule[255]; - - answer = newtRunForm(form); - if (answer == quit) - break; - - dev = (struct device *) newtListboxGetCurrent(lbox); - if (dev == NULL) - continue; - - if (dev->config_line > 0) - snprintf(text_rule, sizeof(text_rule), - "The device is handled by a rule in the file '%s', line %i.", - dev->config_file, dev->config_line); - else - strcpy(text_rule, "The device was not handled by a rule."); - - strfieldcpy(path, sysfs_path); - strfieldcat(path, dev->devpath); - dbg("look at sysfs device '%s'", path); - get_all_attributes(path); - - grid3 = newtCreateGrid(1, 3); - form2 = newtForm(NULL, NULL, 0); - grid4 = newtButtonBar("Ok", &ok, "Back", &back, NULL); - - lattr = newtListbox(-1, -1, 10, NEWT_FLAG_MULTIPLE | NEWT_FLAG_BORDER | NEWT_FLAG_RETURNEXIT); - list_for_each_entry(attr, &attribute_list, list) - newtListboxAddEntry(lattr, attr->key, (void *) attr); - - text = newtTextbox(-1, -1, 50, 2, NEWT_FLAG_WRAP); - newtTextboxSetText(text, text_rule); - - newtGridSetField(grid3, 0, 0, NEWT_GRID_COMPONENT, lattr, 0, 0, 0, 1, 0, 0); - newtGridSetField(grid3, 0, 1, NEWT_GRID_COMPONENT, text, 0, 0, 0, 1, 0, 0); - newtGridSetField(grid3, 0, 2, NEWT_GRID_SUBGRID, grid4, 0, 1, 0, 0, NEWT_ANCHOR_TOP, 0); - - newtFormAddComponents(form2, text, lattr, ok, back, NULL); - newtGridWrappedWindow(grid3, "Select one ore more attributes within one section with the space bar"); - newtGridFree(grid3, 1); - - while (1) { - char rule[255]; - int onelevel; - int skipped; - - answer2 = newtRunForm(form2); - if (answer2 == back) - break; - - selattr = (struct attribute **) newtListboxGetSelection(lattr, &numitems); - if (selattr == NULL) - continue; - - rule[0] = '\0'; - onelevel = -1; - skipped = 0; - for (i = 0; i < numitems; i++) { - if (selattr[i]->key[0] == '\0') - continue; - - if (onelevel != -1) { - if (onelevel != selattr[i]->level) { - skipped = 1; - continue; - } - } else { - onelevel = selattr[i]->level; - } - - dbg("'%s'\n", selattr[i]->key); - strfieldcat(rule, selattr[i]->key); - strfieldcat(rule, ", "); - } - if (skipped) { - newtWinMessage("error", "Ok", "Please select only attributes within one section"); - continue; - } - - if (strlen(rule) > 200) { - newtWinMessage("error", "Ok", "The line is too long, please select fewer attributes."); - } else { - if (rule[0] == '\0') - continue; - - strfieldcat(rule, "NAME=\"%k\""); - newtWinMessage("the rule to place in config file", "Ok", rule); - } - } - - newtPopWindow(); - } - - newtPopWindow(); - newtFormDestroy(form); - newtFinished(); - return 0; -}