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713 lines
21 KiB
C
713 lines
21 KiB
C
/*
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* Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <ctype.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <linux/sockios.h>
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#include "udev.h"
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struct udev_event *udev_event_new(struct udev_device *dev)
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{
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struct udev_event *event;
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event = calloc(1, sizeof(struct udev_event));
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if (event == NULL)
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return NULL;
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event->dev = dev;
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event->udev = udev_device_get_udev(dev);
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udev_list_init(&event->run_list);
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event->mode = 0660;
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dbg(event->udev, "allocated event %p\n", event);
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return event;
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}
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void udev_event_unref(struct udev_event *event)
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{
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if (event == NULL)
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return;
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udev_list_cleanup_entries(event->udev, &event->run_list);
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free(event->tmp_node);
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free(event->program_result);
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free(event->name);
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dbg(event->udev, "free event %p\n", event);
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free(event);
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}
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/* extract possible {attr} and move str behind it */
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static char *get_format_attribute(struct udev *udev, char **str)
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{
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char *pos;
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char *attr = NULL;
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if (*str[0] == '{') {
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pos = strchr(*str, '}');
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if (pos == NULL) {
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err(udev, "missing closing brace for format\n");
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return NULL;
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}
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pos[0] = '\0';
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attr = *str+1;
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*str = pos+1;
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dbg(udev, "attribute='%s', str='%s'\n", attr, *str);
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}
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return attr;
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}
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/* extract possible format length and move str behind it*/
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static int get_format_len(struct udev *udev, char **str)
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{
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int num;
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char *tail;
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if (isdigit(*str[0])) {
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num = (int) strtoul(*str, &tail, 10);
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if (num > 0) {
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*str = tail;
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dbg(udev, "format length=%i\n", num);
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return num;
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} else {
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err(udev, "format parsing error '%s'\n", *str);
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}
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}
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return -1;
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}
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void udev_event_apply_format(struct udev_event *event, char *string, size_t maxsize)
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{
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struct udev_device *dev = event->dev;
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char temp[UTIL_PATH_SIZE];
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char temp2[UTIL_PATH_SIZE];
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char *head, *tail, *cpos, *attr, *rest;
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int len;
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int i;
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int count;
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enum subst_type {
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SUBST_UNKNOWN,
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SUBST_DEVPATH,
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SUBST_KERNEL,
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SUBST_KERNEL_NUMBER,
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SUBST_ID,
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SUBST_DRIVER,
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SUBST_MAJOR,
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SUBST_MINOR,
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SUBST_RESULT,
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SUBST_ATTR,
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SUBST_PARENT,
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SUBST_TEMP_NODE,
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SUBST_NAME,
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SUBST_LINKS,
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SUBST_ROOT,
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SUBST_SYS,
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SUBST_ENV,
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};
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static const struct subst_map {
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char *name;
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char fmt;
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enum subst_type type;
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} map[] = {
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{ .name = "devpath", .fmt = 'p', .type = SUBST_DEVPATH },
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{ .name = "number", .fmt = 'n', .type = SUBST_KERNEL_NUMBER },
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{ .name = "kernel", .fmt = 'k', .type = SUBST_KERNEL },
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{ .name = "id", .fmt = 'b', .type = SUBST_ID },
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{ .name = "driver", .fmt = 'd', .type = SUBST_DRIVER },
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{ .name = "major", .fmt = 'M', .type = SUBST_MAJOR },
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{ .name = "minor", .fmt = 'm', .type = SUBST_MINOR },
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{ .name = "result", .fmt = 'c', .type = SUBST_RESULT },
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{ .name = "attr", .fmt = 's', .type = SUBST_ATTR },
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{ .name = "sysfs", .fmt = 's', .type = SUBST_ATTR },
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{ .name = "parent", .fmt = 'P', .type = SUBST_PARENT },
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{ .name = "tempnode", .fmt = 'N', .type = SUBST_TEMP_NODE },
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{ .name = "name", .fmt = 'D', .type = SUBST_NAME },
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{ .name = "links", .fmt = 'L', .type = SUBST_LINKS },
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{ .name = "root", .fmt = 'r', .type = SUBST_ROOT },
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{ .name = "sys", .fmt = 'S', .type = SUBST_SYS },
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{ .name = "env", .fmt = 'E', .type = SUBST_ENV },
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{ NULL, '\0', 0 }
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};
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enum subst_type type;
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const struct subst_map *subst;
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head = string;
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while (1) {
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len = -1;
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while (head[0] != '\0') {
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if (head[0] == '$') {
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/* substitute named variable */
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if (head[1] == '\0')
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break;
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if (head[1] == '$') {
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util_strlcpy(temp, head+2, sizeof(temp));
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util_strlcpy(head+1, temp, maxsize);
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head++;
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continue;
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}
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head[0] = '\0';
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for (subst = map; subst->name; subst++) {
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if (strncasecmp(&head[1], subst->name, strlen(subst->name)) == 0) {
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type = subst->type;
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tail = head + strlen(subst->name)+1;
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dbg(event->udev, "will substitute format name '%s'\n", subst->name);
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goto found;
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}
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}
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head[0] = '$';
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err(event->udev, "unknown format variable '%s'\n", head);
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} else if (head[0] == '%') {
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/* substitute format char */
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if (head[1] == '\0')
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break;
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if (head[1] == '%') {
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util_strlcpy(temp, head+2, sizeof(temp));
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util_strlcpy(head+1, temp, maxsize);
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head++;
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continue;
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}
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head[0] = '\0';
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tail = head+1;
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len = get_format_len(event->udev, &tail);
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for (subst = map; subst->name; subst++) {
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if (tail[0] == subst->fmt) {
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type = subst->type;
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tail++;
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dbg(event->udev, "will substitute format char '%c'\n", subst->fmt);
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goto found;
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}
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}
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head[0] = '%';
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err(event->udev, "unknown format char '%c'\n", tail[0]);
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}
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head++;
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}
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break;
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found:
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attr = get_format_attribute(event->udev, &tail);
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util_strlcpy(temp, tail, sizeof(temp));
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dbg(event->udev, "format=%i, string='%s', tail='%s'\n", type ,string, tail);
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switch (type) {
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case SUBST_DEVPATH:
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util_strlcat(string, udev_device_get_devpath(dev), maxsize);
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dbg(event->udev, "substitute devpath '%s'\n", udev_device_get_devpath(dev));
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break;
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case SUBST_KERNEL:
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util_strlcat(string, udev_device_get_sysname(dev), maxsize);
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dbg(event->udev, "substitute kernel name '%s'\n", udev_device_get_sysname(dev));
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break;
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case SUBST_KERNEL_NUMBER:
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if (udev_device_get_sysnum(dev) == NULL)
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break;
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util_strlcat(string, udev_device_get_sysnum(dev), maxsize);
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dbg(event->udev, "substitute kernel number '%s'\n", udev_device_get_sysnum(dev));
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break;
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case SUBST_ID:
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if (event->dev_parent != NULL) {
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util_strlcat(string, udev_device_get_sysname(event->dev_parent), maxsize);
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dbg(event->udev, "substitute id '%s'\n", udev_device_get_sysname(event->dev_parent));
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}
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break;
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case SUBST_DRIVER:
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if (event->dev_parent != NULL) {
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const char *driver = udev_device_get_driver(event->dev_parent);
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if (driver == NULL)
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break;
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util_strlcat(string, driver, maxsize);
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dbg(event->udev, "substitute driver '%s'\n", driver);
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}
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break;
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case SUBST_MAJOR:
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sprintf(temp2, "%d", major(udev_device_get_devnum(dev)));
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util_strlcat(string, temp2, maxsize);
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dbg(event->udev, "substitute major number '%s'\n", temp2);
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break;
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case SUBST_MINOR:
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sprintf(temp2, "%d", minor(udev_device_get_devnum(dev)));
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util_strlcat(string, temp2, maxsize);
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dbg(event->udev, "substitute minor number '%s'\n", temp2);
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break;
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case SUBST_RESULT:
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if (event->program_result == NULL)
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break;
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/* get part part of the result string */
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i = 0;
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if (attr != NULL)
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i = strtoul(attr, &rest, 10);
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if (i > 0) {
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char result[UTIL_PATH_SIZE];
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dbg(event->udev, "request part #%d of result string\n", i);
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util_strlcpy(result, event->program_result, sizeof(result));
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cpos = result;
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while (--i) {
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while (cpos[0] != '\0' && !isspace(cpos[0]))
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cpos++;
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while (isspace(cpos[0]))
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cpos++;
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}
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if (i > 0) {
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err(event->udev, "requested part of result string not found\n");
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break;
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}
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util_strlcpy(temp2, cpos, sizeof(temp2));
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/* %{2+}c copies the whole string from the second part on */
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if (rest[0] != '+') {
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cpos = strchr(temp2, ' ');
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if (cpos)
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cpos[0] = '\0';
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}
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util_strlcat(string, temp2, maxsize);
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dbg(event->udev, "substitute part of result string '%s'\n", temp2);
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} else {
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util_strlcat(string, event->program_result, maxsize);
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dbg(event->udev, "substitute result string '%s'\n", event->program_result);
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}
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break;
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case SUBST_ATTR:
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if (attr == NULL)
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err(event->udev, "missing file parameter for attr\n");
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else {
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const char *val;
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char value[UTIL_NAME_SIZE] = "";
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size_t size;
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util_resolve_subsys_kernel(event->udev, attr, value, sizeof(value), 1);
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val = udev_device_get_sysattr_value(event->dev, attr);
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if (val != NULL)
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util_strlcpy(value, val, sizeof(value));
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/* try the current device, other matches may have selected */
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if (value[0] == '\0' && event->dev_parent != NULL && event->dev_parent != event->dev) {
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val = udev_device_get_sysattr_value(event->dev_parent, attr);
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if (val != NULL)
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util_strlcpy(value, val, sizeof(value));
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}
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if (value[0]=='\0')
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break;
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/* strip trailing whitespace, and replace unwanted characters */
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size = strlen(value);
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while (size > 0 && isspace(value[--size]))
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value[size] = '\0';
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count = util_replace_chars(value, ALLOWED_CHARS_INPUT);
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if (count > 0)
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info(event->udev, "%i character(s) replaced\n" , count);
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util_strlcat(string, value, maxsize);
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dbg(event->udev, "substitute sysfs value '%s'\n", value);
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}
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break;
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case SUBST_PARENT:
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{
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struct udev_device *dev_parent;
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const char *devnode;
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dev_parent = udev_device_get_parent(event->dev);
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if (dev_parent == NULL)
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break;
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devnode = udev_device_get_devnode(dev_parent);
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if (devnode != NULL) {
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size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
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util_strlcat(string, &devnode[devlen], maxsize);
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dbg(event->udev, "found parent '%s', got node name '%s'\n",
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udev_device_get_syspath(dev_parent), &devnode[devlen]);
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}
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}
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break;
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case SUBST_TEMP_NODE:
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{
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dev_t devnum;
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struct stat statbuf;
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char filename[UTIL_PATH_SIZE];
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const char *devtype;
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if (event->tmp_node != NULL) {
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util_strlcat(string, event->tmp_node, maxsize);
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dbg(event->udev, "return existing temporary node\n");
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break;
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}
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devnum = udev_device_get_devnum(dev);
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if (major(udev_device_get_devnum(dev) == 0))
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break;
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if (strcmp(udev_device_get_subsystem(dev), "block") == 0)
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devtype = "block";
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else
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devtype = "char";
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snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
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udev_get_dev_path(event->udev), devtype,
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major(udev_device_get_devnum(dev)),
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minor(udev_device_get_devnum(dev)));
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if (stat(filename, &statbuf) == 0 && statbuf.st_rdev == devnum) {
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util_strlcat(string, filename, maxsize);
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dbg(event->udev, "return existing temporary node\n");
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break;
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}
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dbg(event->udev, "create temporary node\n");
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asprintf(&event->tmp_node, "%s/.tmp-%s-%u:%u",
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udev_get_dev_path(event->udev), devtype,
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major(udev_device_get_devnum(dev)),
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minor(udev_device_get_devnum(dev)));
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if (event->tmp_node == NULL)
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break;
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udev_node_mknod(dev, event->tmp_node, makedev(0, 0), 0600, 0, 0);
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util_strlcat(string, event->tmp_node, maxsize);
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}
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break;
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case SUBST_NAME:
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if (event->name != NULL) {
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util_strlcat(string, event->name, maxsize);
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dbg(event->udev, "substitute name '%s'\n", event->name);
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} else {
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util_strlcat(string, udev_device_get_sysname(dev), maxsize);
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dbg(event->udev, "substitute sysname '%s'\n", udev_device_get_sysname(dev));
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}
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break;
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case SUBST_LINKS:
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{
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struct udev_list_entry *list_entry;
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list_entry = udev_device_get_properties_list_entry(dev);
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util_strlcpy(string, udev_list_entry_get_name(list_entry), maxsize);
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udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) {
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util_strlcat(string, " ", maxsize);
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util_strlcat(string, udev_list_entry_get_name(list_entry), maxsize);
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}
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}
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break;
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case SUBST_ROOT:
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util_strlcat(string, udev_get_dev_path(event->udev), maxsize);
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dbg(event->udev, "substitute udev_root '%s'\n", udev_get_dev_path(event->udev));
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break;
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case SUBST_SYS:
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util_strlcat(string, udev_get_sys_path(event->udev), maxsize);
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dbg(event->udev, "substitute sys_path '%s'\n", udev_get_sys_path(event->udev));
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break;
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case SUBST_ENV:
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if (attr == NULL) {
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dbg(event->udev, "missing attribute\n");
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break;
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} else {
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struct udev_list_entry *list_entry;
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const char *value;
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list_entry = udev_device_get_properties_list_entry(event->dev);
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list_entry = udev_list_entry_get_by_name(list_entry, attr);
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if (list_entry == NULL)
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break;
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value = udev_list_entry_get_value(list_entry);
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dbg(event->udev, "substitute env '%s=%s'\n", attr, value);
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util_strlcat(string, value, maxsize);
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break;
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}
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default:
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err(event->udev, "unknown substitution type=%i\n", type);
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break;
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}
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/* possibly truncate to format-char specified length */
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if (len >= 0 && len < (int)strlen(head)) {
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head[len] = '\0';
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dbg(event->udev, "truncate to %i chars, subtitution string becomes '%s'\n", len, head);
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}
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util_strlcat(string, temp, maxsize);
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}
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}
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static void rename_netif_kernel_log(struct ifreq ifr)
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{
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int klog;
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FILE *f;
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klog = open("/dev/kmsg", O_WRONLY);
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if (klog < 0)
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return;
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f = fdopen(klog, "w");
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if (f == NULL) {
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close(klog);
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return;
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}
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fprintf(f, "<6>udev: renamed network interface %s to %s\n",
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ifr.ifr_name, ifr.ifr_newname);
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fclose(f);
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}
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static int rename_netif(struct udev_event *event)
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{
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struct udev_device *dev = event->dev;
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int sk;
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struct ifreq ifr;
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int err;
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info(event->udev, "changing net interface name from '%s' to '%s'\n",
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udev_device_get_sysname(dev), event->name);
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if (event->test)
|
|
return 0;
|
|
|
|
sk = socket(PF_INET, SOCK_DGRAM, 0);
|
|
if (sk < 0) {
|
|
err(event->udev, "error opening socket: %m\n");
|
|
return -1;
|
|
}
|
|
|
|
memset(&ifr, 0x00, sizeof(struct ifreq));
|
|
util_strlcpy(ifr.ifr_name, udev_device_get_sysname(dev), IFNAMSIZ);
|
|
util_strlcpy(ifr.ifr_newname, event->name, IFNAMSIZ);
|
|
err = ioctl(sk, SIOCSIFNAME, &ifr);
|
|
if (err == 0)
|
|
rename_netif_kernel_log(ifr);
|
|
else {
|
|
int loop;
|
|
|
|
/* see if the destination interface name already exists */
|
|
if (errno != EEXIST) {
|
|
err(event->udev, "error changing netif name %s to %s: %m\n",
|
|
ifr.ifr_name, ifr.ifr_newname);
|
|
goto exit;
|
|
}
|
|
|
|
/* free our own name, another process may wait for us */
|
|
util_strlcpy(ifr.ifr_newname, udev_device_get_sysname(dev), IFNAMSIZ);
|
|
util_strlcat(ifr.ifr_newname, "_rename", IFNAMSIZ);
|
|
err = ioctl(sk, SIOCSIFNAME, &ifr);
|
|
if (err != 0) {
|
|
err(event->udev, "error changing netif name %s to %s: %m\n",
|
|
ifr.ifr_name, ifr.ifr_newname);
|
|
goto exit;
|
|
}
|
|
|
|
/* wait 30 seconds for our target to become available */
|
|
util_strlcpy(ifr.ifr_name, ifr.ifr_newname, IFNAMSIZ);
|
|
util_strlcpy(ifr.ifr_newname, udev_device_get_devnode(dev), IFNAMSIZ);
|
|
loop = 30 * 20;
|
|
while (loop--) {
|
|
err = ioctl(sk, SIOCSIFNAME, &ifr);
|
|
if (err == 0) {
|
|
rename_netif_kernel_log(ifr);
|
|
break;
|
|
}
|
|
|
|
if (errno != EEXIST) {
|
|
err(event->udev, "error changing net interface name %s to %s: %m\n",
|
|
ifr.ifr_name, ifr.ifr_newname);
|
|
break;
|
|
}
|
|
dbg(event->udev, "wait for netif '%s' to become free, loop=%i\n",
|
|
udev_device_get_devnode(dev), (30 * 20) - loop);
|
|
usleep(1000 * 1000 / 20);
|
|
}
|
|
}
|
|
exit:
|
|
close(sk);
|
|
return err;
|
|
}
|
|
|
|
int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules)
|
|
{
|
|
struct udev_device *dev = event->dev;
|
|
int err = 0;
|
|
|
|
if (udev_device_get_devpath_old(dev) != NULL) {
|
|
if (udev_device_rename_db(dev, udev_device_get_devpath(dev)) == 0)
|
|
info(event->udev, "moved database from '%s' to '%s'\n",
|
|
udev_device_get_devpath_old(dev), udev_device_get_devpath(dev));
|
|
}
|
|
|
|
/* add device node */
|
|
if (major(udev_device_get_devnum(dev)) != 0 &&
|
|
(strcmp(udev_device_get_action(dev), "add") == 0 || strcmp(udev_device_get_action(dev), "change") == 0)) {
|
|
char filename[UTIL_PATH_SIZE];
|
|
struct udev_device *dev_old;
|
|
|
|
dbg(event->udev, "device node add '%s'\n", udev_device_get_devpath(dev));
|
|
|
|
udev_rules_apply_to_event(rules, event);
|
|
if (event->tmp_node != NULL) {
|
|
dbg(event->udev, "removing temporary device node\n");
|
|
util_unlink_secure(event->udev, event->tmp_node);
|
|
free(event->tmp_node);
|
|
event->tmp_node = NULL;
|
|
}
|
|
|
|
if (event->ignore_device) {
|
|
info(event->udev, "device event will be ignored\n");
|
|
goto exit;
|
|
}
|
|
|
|
if (event->name != NULL && event->name[0] == '\0') {
|
|
info(event->udev, "device node creation supressed\n");
|
|
goto exit;
|
|
}
|
|
|
|
if (event->name == NULL) {
|
|
info(event->udev, "no node name set, will use kernel name '%s'\n",
|
|
udev_device_get_sysname(event->dev));
|
|
event->name = strdup(udev_device_get_sysname(event->dev));
|
|
if (event->name == NULL)
|
|
goto exit;
|
|
}
|
|
|
|
/* set device node name */
|
|
util_strlcpy(filename, udev_get_dev_path(event->udev), sizeof(filename));
|
|
util_strlcat(filename, "/", sizeof(filename));
|
|
util_strlcat(filename, event->name, sizeof(filename));
|
|
udev_device_set_devnode(dev, filename);
|
|
|
|
/* read current database entry; cleanup, if it is known device */
|
|
dev_old = udev_device_new_from_syspath(event->udev, udev_device_get_syspath(dev));
|
|
if (dev_old != NULL) {
|
|
if (udev_device_get_devnode(dev_old) != NULL) {
|
|
info(event->udev, "device node '%s' already in database, updating\n",
|
|
udev_device_get_devnode(dev_old));
|
|
udev_node_update_old_links(dev, dev_old, event->test);
|
|
}
|
|
udev_device_unref(dev_old);
|
|
}
|
|
|
|
udev_device_update_db(dev);
|
|
|
|
err = udev_node_add(dev, event->mode, event->uid, event->gid, event->test);
|
|
if (err != 0)
|
|
goto exit;
|
|
|
|
goto exit;
|
|
}
|
|
|
|
/* add netif */
|
|
if (strcmp(udev_device_get_subsystem(dev), "net") == 0 && strcmp(udev_device_get_action(dev), "add") == 0) {
|
|
dbg(event->udev, "netif add '%s'\n", udev_device_get_devpath(dev));
|
|
|
|
udev_rules_apply_to_event(rules, event);
|
|
if (event->ignore_device) {
|
|
info(event->udev, "device event will be ignored\n");
|
|
goto exit;
|
|
}
|
|
if (event->name == NULL)
|
|
goto exit;
|
|
|
|
/* look if we want to change the name of the netif */
|
|
if (strcmp(event->name, udev_device_get_sysname(dev)) != 0) {
|
|
char syspath[UTIL_PATH_SIZE];
|
|
char *pos;
|
|
|
|
err = rename_netif(event);
|
|
if (err != 0)
|
|
goto exit;
|
|
info(event->udev, "renamed netif to '%s'\n", event->name);
|
|
|
|
/* remember old name */
|
|
udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev));
|
|
|
|
/* now change the devpath, because the kernel device name has changed */
|
|
util_strlcpy(syspath, udev_device_get_syspath(dev), sizeof(syspath));
|
|
pos = strrchr(syspath, '/');
|
|
if (pos != NULL) {
|
|
pos[1] = '\0';
|
|
util_strlcat(syspath, event->name, sizeof(syspath));
|
|
udev_device_set_syspath(event->dev, syspath);
|
|
udev_device_add_property(dev, "INTERFACE", udev_device_get_sysname(dev));
|
|
info(event->udev, "changed devpath to '%s'\n", udev_device_get_devpath(dev));
|
|
}
|
|
}
|
|
goto exit;
|
|
}
|
|
|
|
/* remove device node */
|
|
if (major(udev_device_get_devnum(dev)) != 0 && strcmp(udev_device_get_action(dev), "remove") == 0) {
|
|
/* import database entry and delete it */
|
|
udev_device_read_db(dev);
|
|
if (!event->test)
|
|
udev_device_delete_db(dev);
|
|
|
|
if (udev_device_get_devnode(dev) == NULL) {
|
|
char devnode[UTIL_PATH_SIZE];
|
|
|
|
info(event->udev, "'%s' not found in database, using kernel name '%s'\n",
|
|
udev_device_get_syspath(dev), udev_device_get_sysname(dev));
|
|
util_strlcpy(devnode, udev_get_dev_path(event->udev), sizeof(devnode));
|
|
util_strlcat(devnode, "/", sizeof(devnode));
|
|
util_strlcat(devnode, udev_device_get_sysname(dev), sizeof(devnode));
|
|
udev_device_set_devnode(dev, devnode);
|
|
}
|
|
|
|
udev_rules_apply_to_event(rules, event);
|
|
if (event->ignore_device) {
|
|
info(event->udev, "device event will be ignored\n");
|
|
goto exit;
|
|
}
|
|
|
|
if (udev_device_get_ignore_remove(dev)) {
|
|
info(event->udev, "ignore_remove for '%s'\n", udev_device_get_devnode(dev));
|
|
goto exit;
|
|
}
|
|
|
|
err = udev_node_remove(dev, event->test);
|
|
goto exit;
|
|
}
|
|
|
|
/* default devices */
|
|
udev_rules_apply_to_event(rules, event);
|
|
if (event->ignore_device)
|
|
info(event->udev, "device event will be ignored\n");
|
|
exit:
|
|
return err;
|
|
}
|
|
|
|
int udev_event_execute_run(struct udev_event *event)
|
|
{
|
|
struct udev_list_entry *list_entry;
|
|
int err = 0;
|
|
|
|
dbg(event->udev, "executing run list\n");
|
|
udev_list_entry_foreach(list_entry, udev_list_get_entry(&event->run_list)) {
|
|
const char *cmd = udev_list_entry_get_name(list_entry);
|
|
|
|
if (strncmp(cmd, "socket:", strlen("socket:")) == 0) {
|
|
struct udev_monitor *monitor;
|
|
|
|
monitor = udev_monitor_new_from_socket(event->udev, &cmd[strlen("socket:")]);
|
|
if (monitor == NULL)
|
|
continue;
|
|
udev_monitor_send_device(monitor, event->dev);
|
|
udev_monitor_unref(monitor);
|
|
} else {
|
|
char program[UTIL_PATH_SIZE];
|
|
char **envp;
|
|
|
|
util_strlcpy(program, cmd, sizeof(program));
|
|
udev_event_apply_format(event, program, sizeof(program));
|
|
envp = udev_device_get_properties_envp(event->dev);
|
|
if (util_run_program(event->udev, program, envp, NULL, 0, NULL) != 0) {
|
|
if (!udev_list_entry_get_flag(list_entry))
|
|
err = -1;
|
|
}
|
|
}
|
|
}
|
|
return err;
|
|
}
|