mirror of
https://github.com/systemd/systemd.git
synced 2026-08-07 00:21:01 +00:00
Kay Sievers
2
Makefile
2
Makefile
@@ -50,7 +50,6 @@ PROGRAMS = \
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udev \
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udevd \
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udevsend \
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udevinitsend \
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udeveventrecorder \
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udevcontrol \
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udevmonitor \
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@@ -375,7 +374,6 @@ uninstall-bin:
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- rm -f $(DESTDIR)$(sbindir)/udev
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- rm -f $(DESTDIR)$(sbindir)/udevd
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- rm -f $(DESTDIR)$(sbindir)/udevsend
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- rm -f $(DESTDIR)$(sbindir)/udevinitsend
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- rm -f $(DESTDIR)$(sbindir)/udeveventrecoreder
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- rm -f $(DESTDIR)$(sbindir)/udevcontrol
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- rm -f $(DESTDIR)$(sbindir)/udevstart
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241
udevinitsend.c
241
udevinitsend.c
@@ -1,241 +0,0 @@
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/*
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* udevinitsend.c
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*
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* Copyright (C) 2004, 2005 SuSE Linux Products GmbH
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* Author:
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* Hannes Reinecke <hare@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <stdio.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.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 <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <sys/un.h>
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#include <dirent.h>
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#include "udev.h"
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#include "udev_version.h"
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#include "udevd.h"
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#include "udev_utils.h"
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#include "logging.h"
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static int udev_log = 0;
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#ifdef USE_LOG
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void log_message (int priority, const char *format, ...)
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{
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va_list args;
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if (priority > udev_log)
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return;
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va_start(args, format);
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vsyslog(priority, format, args);
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va_end(args);
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}
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#endif
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/*
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* udevsend
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*
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* Scan a file, write all variables into the msgbuf and
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* fires the message to udevd.
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*/
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static int udevsend(char *filename, int sock, int disable_loop_detection)
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{
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static struct udevd_msg usend_msg;
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int usend_msg_len;
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int bufpos = 0;
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struct stat statbuf;
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int fd;
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char *fdmap, *ls, *le, *ch;
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struct sockaddr_un saddr;
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socklen_t addrlen;
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int retval = 0;
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if (stat(filename,&statbuf) < 0) {
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dbg("cannot stat %s: %s\n", filename, strerror(errno));
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return 1;
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}
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fd = open(filename,O_RDONLY);
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if (fd < 0)
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return 1;
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fdmap = mmap(0, statbuf.st_size,
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PROT_READ, MAP_PRIVATE, fd, 0);
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close(fd);
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if (fdmap == MAP_FAILED) {
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dbg("mmap failed, errno %d\n", errno);
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return 1;
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}
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memset(&saddr, 0x00, sizeof(struct sockaddr_un));
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saddr.sun_family = AF_LOCAL;
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/* use abstract namespace for socket path */
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strcpy(&saddr.sun_path[1], UDEVD_SOCK_PATH);
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addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(saddr.sun_path+1) + 1;
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memset(&usend_msg, 0x00, sizeof(struct udevd_msg));
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strcpy(usend_msg.magic, UDEV_MAGIC);
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usend_msg.type = UDEVD_UEVENT_INITSEND;
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ls = fdmap;
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ch = le = ls;
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while (*ch && ch < fdmap + statbuf.st_size) {
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le = strchr(ch, '\n');
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if (!le)
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break;
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ch = strchr(ch, '=');
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if (!ch)
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break;
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/* prevent loops in the scripts we execute */
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if (strncmp(ls, "UDEVD_EVENT=", 12) == 0) {
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if (!disable_loop_detection) {
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dbg("event already handled by udev\n");
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retval = -1;
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break;
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}
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goto loop_end;
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}
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/* omit shell-generated keys */
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if (ls[0] == '_' && ls[1] == '=') {
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goto loop_end;
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}
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if (ch < le) {
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strncpy(&usend_msg.envbuf[bufpos],ls,(ch - ls) + 1);
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bufpos += (ch - ls) + 1;
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if (ch[1] == '\'' && le[-1] == '\'') {
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strncpy(&usend_msg.envbuf[bufpos],ch + 2, (le - ch) - 3);
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bufpos += (le - ch) - 3;
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} else {
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strncpy(&usend_msg.envbuf[bufpos],ch + 1, (le - ch) - 1);
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bufpos += (le - ch) - 1;
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}
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bufpos++;
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}
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loop_end:
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ch = le + 1;
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ls = ch;
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}
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munmap(fdmap, statbuf.st_size);
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usend_msg_len = offsetof(struct udevd_msg, envbuf) + bufpos;
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dbg("usend_msg_len=%i", usend_msg_len);
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if (!retval) {
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retval = sendto(sock, &usend_msg, usend_msg_len, 0, (struct sockaddr *)&saddr, addrlen);
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if (retval < 0) {
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dbg("error sending message (%s)", strerror(errno));
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retval = -1;
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}
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}
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return retval;
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}
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int main(int argc, char *argv[], char *envp[])
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{
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static const char short_options[] = "d:f:lVh";
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int option;
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char *event_dir = NULL;
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char *event_file = NULL;
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DIR *dirstream;
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struct dirent *direntry;
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int retval = 0;
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int disable_loop_detection = 0;
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int sock;
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const char *env;
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env = getenv("UDEV_LOG");
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if (env)
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udev_log = log_priority(env);
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logging_init("udevinitsend");
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dbg("version %s", UDEV_VERSION);
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/* get command line options */
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while (1) {
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option = getopt(argc, argv, short_options);
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if (option == -1)
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break;
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dbg("option '%c': ", option);
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switch (option) {
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case 'd':
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dbg("scan directory %s\n", optarg);
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event_dir = optarg;
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break;
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case 'f':
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dbg("use event file %s\n", optarg);
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event_file = optarg;
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break;
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case 'l':
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dbg("disable loop detection, ignore UDEVD_EVENT\n");
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disable_loop_detection = 1;
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break;
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case 'h':
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retval = 0;
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}
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}
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sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
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if (sock == -1) {
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dbg("error getting socket");
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return 1;
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}
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if (event_dir) {
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dirstream = opendir(event_dir);
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if (!dirstream) {
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info("error opening directory %s: %s\n",
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event_dir, strerror(errno));
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return 2;
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}
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chdir(event_dir);
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while ((direntry = readdir(dirstream)) != NULL) {
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if (!strcmp(direntry->d_name,".") ||
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!strcmp(direntry->d_name,".."))
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continue;
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retval = udevsend(direntry->d_name, sock, disable_loop_detection);
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}
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closedir(dirstream);
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} else if (event_file) {
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retval = udevsend(event_file, sock, disable_loop_detection);
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}
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if (sock != -1)
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close(sock);
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if (retval)
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return 3;
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return 0;
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}
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