[oe] [PATCH 6/6] acpid: add 1.0.8 (with netlink support)
Otavio Salvador
otavio at debian.org
Thu Apr 23 01:17:41 UTC 2009
From: Otavio Salvador <otavio at ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
---
conf/checksums.ini | 4 +
recipes/acpid/acpid/event.c.diff | 43 +
recipes/acpid/acpid/fixfd.diff | 12 +
recipes/acpid/acpid/netlink.diff | 2797 ++++++++++++++++++++++++++++++++++++++
recipes/acpid/acpid_1.0.8.bb | 6 +
5 files changed, 2862 insertions(+), 0 deletions(-)
create mode 100644 recipes/acpid/acpid/event.c.diff
create mode 100644 recipes/acpid/acpid/fixfd.diff
create mode 100644 recipes/acpid/acpid/netlink.diff
create mode 100644 recipes/acpid/acpid_1.0.8.bb
diff --git a/conf/checksums.ini b/conf/checksums.ini
index 27b7eb6..36d2b56 100644
--- a/conf/checksums.ini
+++ b/conf/checksums.ini
@@ -1298,6 +1298,10 @@ sha256=aa3c42224ec702b6cdb69ca6501284cb6dacb87473a076d7337ee9635c96f160
md5=5c9b705700df51d232be223b6ab6414d
sha256=aa3c42224ec702b6cdb69ca6501284cb6dacb87473a076d7337ee9635c96f160
+[http://downloads.sourceforge.net/acpid/acpid-1.0.8.tar.gz]
+md5=1d9c52fe2c0b51f8463f357c2a3d3ddb
+sha256=d57ae5302c38c37d060a097fa51600fe06fbfffd575641d638407944f126b7b1
+
[http://ftp.gnu.org/gnu/classpathx/activation-1.1.1.tar.gz]
md5=de50d7728e8140eb404f2b4554321f8c
sha256=b1b5ef560d30fcb11fbf537246857d14110ce4eb2b200d4c54690472305d87b7
diff --git a/recipes/acpid/acpid/event.c.diff b/recipes/acpid/acpid/event.c.diff
new file mode 100644
index 0000000..4ef3baf
--- /dev/null
+++ b/recipes/acpid/acpid/event.c.diff
@@ -0,0 +1,43 @@
+--- acpid-1.0.8.orig/event.c
++++ acpid-1.0.8/event.c
+@@ -23,6 +23,7 @@
+ #include <sys/types.h>
+ #include <sys/stat.h>
+ #include <sys/wait.h>
++#include <libgen.h>
+ #include <fcntl.h>
+ #include <unistd.h>
+ #include <stdio.h>
+@@ -90,6 +91,8 @@
+ struct dirent *dirent;
+ char *file = NULL;
+ int nrules = 0;
++ char *basen = NULL;
++ regex_t preg;
+
+ lock_rules();
+
+@@ -139,10 +142,19 @@
+ continue; /* skip non-regular files */
+ }
+
+- r = parse_file(file);
+- if (r) {
+- enlist_rule(&cmd_list, r);
+- nrules++;
++ /* check for run-parts style filename */
++ basen = basename(file);
++ if (regcomp(&preg, "^[a-zA-Z0-9_-]+$", RULE_REGEX_FLAGS) == 0){
++ if (regexec(&preg, basen, 0, NULL, 0) == 0){
++ r = parse_file(file);
++ if (r) {
++ enlist_rule(&cmd_list, r);
++ nrules++;
++ }
++ } else {
++ acpid_log(LOG_DEBUG, "ignoring conf file %s\n", file);
++ }
++
+ }
+ free(file);
+ }
diff --git a/recipes/acpid/acpid/fixfd.diff b/recipes/acpid/acpid/fixfd.diff
new file mode 100644
index 0000000..93ceb5c
--- /dev/null
+++ b/recipes/acpid/acpid/fixfd.diff
@@ -0,0 +1,12 @@
+diff -Nru a/acpid.c b/acpid.c
+--- a/acpid.c 2008-11-03 14:04:43.000000000 +0100
++++ b/acpid.c 2008-12-19 18:38:14.291127677 +0100
+@@ -456,7 +456,7 @@
+ int log_opts;
+
+ /* open /dev/null */
+- nullfd = open("/dev/null", O_RDONLY);
++ nullfd = open("/dev/null", O_RDWR);
+ if (nullfd < 0) {
+ fprintf(stderr, "%s: can't open %s: %s\n", progname,
+ "/dev/null", strerror(errno));
diff --git a/recipes/acpid/acpid/netlink.diff b/recipes/acpid/acpid/netlink.diff
new file mode 100644
index 0000000..90014fa
--- /dev/null
+++ b/recipes/acpid/acpid/netlink.diff
@@ -0,0 +1,2797 @@
+diff -ruN acpid-1.0.8.orig/acpid.8 acpid-1.0.8/acpid.8
+--- acpid-1.0.8.orig/acpid.8 2008-11-03 14:04:43.000000000 +0100
++++ acpid-1.0.8/acpid.8 2009-03-29 17:10:14.000000000 +0200
+@@ -10,11 +10,13 @@
+ \fBacpid\fP is designed to notify user-space programs of ACPI events.
+ \fBacpid\fP should be started during the system boot, and will run as a
+ background process, by default. It will open an events file
+-(\fI/proc/acpi/event\fP by default) and attempt to read whole lines. When
+-a line is received (an \fIevent\fP), \fBacpid\fP will examine a list of rules,
+-and execute the rules that match the event.
+-\fBacpid\fP will ignore all incoming ACPI events if a lock file exists
+-(\fI/var/lock/acpid\fP by default).
++(\fI/proc/acpi/event\fP by default) and attempt to read whole lines which
++represent ACPI events. If the events file does not exist, \fBacpid\fP will
++attempt to connect to the Linux kernel via the input layer and netlink. When an
++ACPI event is received from one of these sources, \fBacpid\fP will examine a
++list of rules, and execute the rules that match the event. \fBacpid\fP will
++ignore all incoming ACPI events if a lock file exists (\fI/var/lock/acpid\fP by
++default).
+ .PP
+ \fIRules\fP are defined by simple configuration files. \fBacpid\fP
+ will look in a configuration directory (\fI/etc/acpi/events\fP by default),
+@@ -69,6 +71,9 @@
+ This option changes the event file from which \fBacpid\fP reads events.
+ Default is \fI/proc/acpi/event\fP.
+ .TP
++.BI \-n "\fR, \fP" \--netlink
++This option forces \fBacpid\fP to use the Linux kernel input layer and netlink interface for ACPI events.
++.TP
+ .BI \-f "\fR, \fP" \--foreground
+ This option keeps \fBacpid\fP in the foreground by not forking at startup.
+ .TP
+@@ -122,6 +127,8 @@
+ .PD 0
+ .B /proc/acpi/event
+ .br
++.B /dev/input/event*
++.br
+ .B /etc/acpi/
+ .br
+ .B /var/run/acpid.socket
+diff -ruN acpid-1.0.8.orig/acpid.c acpid-1.0.8/acpid.c
+--- acpid-1.0.8.orig/acpid.c 2008-11-03 14:04:43.000000000 +0100
++++ acpid-1.0.8/acpid.c 2009-03-29 17:10:14.000000000 +0200
+@@ -20,23 +20,23 @@
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+-#include <sys/types.h>
+-#include <sys/stat.h>
++#include <unistd.h>
+ #include <fcntl.h>
+ #include <signal.h>
+-#include <unistd.h>
++#include <string.h>
+ #include <stdio.h>
+ #include <stdlib.h>
+-#include <string.h>
+ #include <errno.h>
+ #include <getopt.h>
+-#include <time.h>
+-#include <sys/poll.h>
+-#include <grp.h>
+-#include <syslog.h>
++#include <stdarg.h>
+
+ #include "acpid.h"
+-#include "ud_socket.h"
++#include "event.h"
++#include "connection_list.h"
++#include "proc.h"
++#include "sock.h"
++#include "input_layer.h"
++#include "netlink.h"
+
+ static int handle_cmdline(int *argc, char ***argv);
+ static void close_fds(void);
+@@ -45,7 +45,6 @@
+ static int create_pidfile(void);
+ static void clean_exit(int sig);
+ static void reload_conf(int sig);
+-static char *read_line(int fd);
+
+ /* global debug level */
+ int acpid_debug;
+@@ -53,23 +52,18 @@
+ /* do we log event info? */
+ int logevents;
+
+-static const char *progname;
+-static const char *confdir = ACPID_CONFDIR;
+-static const char *eventfile = ACPID_EVENTFILE;
+-static const char *socketfile = ACPID_SOCKETFILE;
++const char *progname;
++
+ static const char *lockfile = ACPID_LOCKFILE;
++static const char *confdir = ACPID_CONFDIR;
+ static int nosocket;
+-static const char *socketgroup;
+-static mode_t socketmode = ACPID_SOCKETMODE;
+ static int foreground;
+ static const char *pidfile = ACPID_PIDFILE;
++static int netlink;
+
+ int
+ main(int argc, char **argv)
+ {
+- int event_fd;
+- int sock_fd = -1; /* init to avoid a compiler warning */
+-
+ /* learn who we really are */
+ progname = (const char *)strrchr(argv[0], '/');
+ progname = progname ? (progname + 1) : argv[0];
+@@ -80,14 +74,22 @@
+ /* close any extra file descriptors */
+ close_fds();
+
+- /* actually open the event file */
+- event_fd = open(eventfile, O_RDONLY);
+- if (event_fd < 0) {
+- fprintf(stderr, "%s: can't open %s: %s\n", progname,
+- eventfile, strerror(errno));
+- exit(EXIT_FAILURE);
++ if (!netlink)
++ {
++ /* open the acpi event file in the proc fs */
++ /* if the open fails, try netlink */
++ if (open_proc())
++ netlink = 1;
++ }
++
++ if (netlink)
++ {
++ /* open the input layer */
++ open_input();
++
++ /* open netlink */
++ open_netlink();
+ }
+- fcntl(event_fd, F_SETFD, FD_CLOEXEC);
+
+ /*
+ * if there is data, and the kernel is NOT broken, this eats 1 byte. We
+@@ -124,34 +126,7 @@
+
+ /* open our socket */
+ if (!nosocket) {
+- sock_fd = ud_create_socket(socketfile);
+- if (sock_fd < 0) {
+- fprintf(stderr, "%s: can't open socket %s: %s\n",
+- progname, socketfile, strerror(errno));
+- exit(EXIT_FAILURE);
+- }
+- fcntl(sock_fd, F_SETFD, FD_CLOEXEC);
+- chmod(socketfile, socketmode);
+- if (socketgroup) {
+- struct group *gr;
+- struct stat buf;
+- gr = getgrnam(socketgroup);
+- if (!gr) {
+- fprintf(stderr, "%s: group %s does not exist\n",
+- progname, socketgroup);
+- exit(EXIT_FAILURE);
+- }
+- if (stat(socketfile, &buf) < 0) {
+- fprintf(stderr, "%s: can't stat %s\n",
+- progname, socketfile);
+- exit(EXIT_FAILURE);
+- }
+- if (chown(socketfile, buf.st_uid, gr->gr_gid) < 0) {
+- fprintf(stderr, "%s: chown(): %s\n",
+- progname, strerror(errno));
+- exit(EXIT_FAILURE);
+- }
+- }
++ open_sock();
+ }
+
+ /* if we're running in foreground, we don't daemonize */
+@@ -164,7 +139,8 @@
+ if (open_log() < 0) {
+ exit(EXIT_FAILURE);
+ }
+- acpid_log(LOG_INFO, "starting up\n");
++ acpid_log(LOG_INFO, "starting up with %s\n",
++ netlink ? "netlink and the input layer" : "proc fs");
+
+ /* trap key signals */
+ signal(SIGHUP, reload_conf);
+@@ -183,109 +159,50 @@
+ exit(EXIT_FAILURE);
+ }
+
+- /* main loop */
+ acpid_log(LOG_INFO, "waiting for events: event logging is %s\n",
+ logevents ? "on" : "off");
+- while (1) {
+- struct pollfd ar[2];
+- int r;
+- int fds = 0;
+-
+- /* poll for the socket and the event file */
+- ar[0].fd = event_fd; ar[0].events = POLLIN; fds++;
+- if (!nosocket) {
+- ar[1].fd = sock_fd; ar[1].events = POLLIN; fds++;
+- }
+- r = poll(ar, fds, -1);
+
+- if (r < 0 && errno == EINTR) {
++ /* main loop */
++ while (1)
++ {
++ fd_set readfds;
++ int nready;
++ int i;
++ struct connection *p;
++
++ /* it's going to get clobbered, so use a copy */
++ readfds = *get_fdset();
++
++ /* wait on data */
++ nready = select(get_highestfd() + 1, &readfds, NULL, NULL, NULL);
++
++ if (nready < 0 && errno == EINTR) {
+ continue;
+- } else if (r < 0) {
+- acpid_log(LOG_ERR, "poll(): %s\n", strerror(errno));
++ } else if (nready < 0) {
++ acpid_log(LOG_ERR, "select(): %s\n", strerror(errno));
+ continue;
+ }
+
+- /* was it an event? */
+- if (ar[0].revents) {
+- char *event;
+- struct stat trash;
+- int fexists;
+-
+- /* check for existence of a lockfile */
+- fexists = (stat(lockfile, &trash) == 0);
+-
+- /* this shouldn't happen */
+- if (!ar[0].revents & POLLIN) {
+- acpid_log(LOG_DEBUG,
+- "odd, poll set flags 0x%x\n",
+- ar[0].revents);
+- continue;
+- }
++ /* for each connection */
++ for (i = 0; i <= get_number_of_connections(); ++i)
++ {
++ int fd;
+
+- /* read an event */
+- event = read_line(event_fd);
++ p = get_connection(i);
+
+- /* if we're locked, don't process the event */
+- if (fexists) {
+- if (logevents) {
+- acpid_log(LOG_INFO,
+- "lockfile present, not processing "
+- "event \"%s\"\n", event);
+- }
+- continue;
+- }
+-
+- /* handle the event */
+- if (event) {
+- if (logevents) {
+- acpid_log(LOG_INFO,
+- "received event \"%s\"\n", event);
+- }
+- acpid_handle_event(event);
+- if (logevents) {
+- acpid_log(LOG_INFO,
+- "completed event \"%s\"\n", event);
+- }
+- } else if (errno == EPIPE) {
+- acpid_log(LOG_WARNING,
+- "events file connection closed\n");
++ /* if this connection is invalid, bail */
++ if (!p)
+ break;
+- } else {
+- static int nerrs;
+- if (++nerrs >= ACPID_MAX_ERRS) {
+- acpid_log(LOG_ERR,
+- "too many errors reading "
+- "events file - aborting\n");
+- break;
+- }
+- }
+- }
+
+- /* was it a new connection? */
+- if (!nosocket && ar[1].revents) {
+- int cli_fd;
+- struct ucred creds;
+- char buf[32];
+-
+- /* this shouldn't happen */
+- if (!ar[1].revents & POLLIN) {
+- acpid_log(LOG_DEBUG,
+- "odd, poll set flags 0x%x\n",
+- ar[1].revents);
+- continue;
+- }
++ /* get the file descriptor */
++ fd = p->fd;
+
+- /* accept and add to our lists */
+- cli_fd = ud_accept(sock_fd, &creds);
+- if (cli_fd < 0) {
+- acpid_log(LOG_ERR, "can't accept client: %s\n",
+- strerror(errno));
+- continue;
++ /* if this file descriptor has data waiting */
++ if (FD_ISSET(fd, &readfds))
++ {
++ /* delegate to this connection's process function */
++ p->process(fd);
+ }
+- fcntl(cli_fd, F_SETFD, FD_CLOEXEC);
+- snprintf(buf, sizeof(buf)-1, "%d[%d:%d]",
+- creds.pid, creds.uid, creds.gid);
+- acpid_add_client(cli_fd, buf);
+ }
+ }
+
+@@ -312,6 +229,7 @@
+ {"nosocket", 1, 0, 'S'},
+ {"pidfile", 1, 0, 'p'},
+ {"lockfile", 1, 0, 'L'},
++ {"netlink", 1, 0, 'n'},
+ {"version", 0, 0, 'v'},
+ {"help", 0, 0, 'h'},
+ {NULL, 0, 0, 0},
+@@ -327,7 +245,8 @@
+ "Use the specified socket file.", /* socketfile */
+ "Do not listen on a UNIX socket (overrides -s).",/* nosocket */
+ "Use the specified PID file.", /* pidfile */
+- "Use the specified lockfile to stop processing.", /* pidfile */
++ "Use the specified lockfile to stop processing.", /* lockfile */
++ "Force netlink/input layer mode. (overrides -e)", /* netlink */
+ "Print version information.", /* version */
+ "Print this message.", /* help */
+ };
+@@ -338,7 +257,7 @@
+ for (;;) {
+ int i;
+ i = getopt_long(*argc, *argv,
+- "c:de:flg:m:s:Sp:L:vh", opts, NULL);
++ "c:de:flg:m:s:Sp:L:nvh", opts, NULL);
+ if (i == -1) {
+ break;
+ }
+@@ -377,6 +296,9 @@
+ case 'L':
+ lockfile = optarg;
+ break;
++ case 'n':
++ netlink = 1;
++ break;
+ case 'v':
+ printf(PACKAGE "-" VERSION "\n");
+ exit(EXIT_SUCCESS);
+@@ -550,54 +472,11 @@
+ return 0;
+ }
+
+-/*
+- * This depends on fixes in linux ACPI after 2.4.8
+- */
+-#define MAX_BUFLEN 1024
+-static char *
+-read_line(int fd)
++int
++locked()
+ {
+- static char *buf;
+- int buflen = 64;
+- int i = 0;
+- int r;
+- int searching = 1;
+-
+- while (searching) {
+- buf = realloc(buf, buflen);
+- if (!buf) {
+- acpid_log(LOG_ERR, "malloc(%d): %s\n",
+- buflen, strerror(errno));
+- return NULL;
+- }
+- memset(buf+i, 0, buflen-i);
+-
+- while (i < buflen) {
+- r = read(fd, buf+i, 1);
+- if (r < 0 && errno != EINTR) {
+- /* we should do something with the data */
+- acpid_log(LOG_ERR, "read(): %s\n",
+- strerror(errno));
+- return NULL;
+- } else if (r == 0) {
+- /* signal this in an almost standard way */
+- errno = EPIPE;
+- return NULL;
+- } else if (r == 1) {
+- /* scan for a newline */
+- if (buf[i] == '\n') {
+- searching = 0;
+- buf[i] = '\0';
+- break;
+- }
+- i++;
+- }
+- }
+- if (buflen >= MAX_BUFLEN) {
+- break;
+- }
+- buflen *= 2;
+- }
++ struct stat trash;
+
+- return buf;
++ /* check for existence of a lockfile */
++ return (stat(lockfile, &trash) == 0);
+ }
+diff -ruN acpid-1.0.8.orig/acpid.h acpid-1.0.8/acpid.h
+--- acpid-1.0.8.orig/acpid.h 2008-11-03 14:04:43.000000000 +0100
++++ acpid-1.0.8/acpid.h 2009-03-29 17:10:14.000000000 +0200
+@@ -23,11 +23,7 @@
+ #ifndef ACPID_H__
+ #define ACPID_H__
+
+-#include <unistd.h>
+ #include <syslog.h>
+-#include <stdarg.h>
+-#include <sys/types.h>
+-#include <sys/stat.h>
+
+ #define ACPI_PROCDIR "/proc/acpi"
+ #define ACPID_EVENTFILE ACPI_PROCDIR "/event"
+@@ -40,19 +36,12 @@
+
+ #define PACKAGE "acpid"
+
+-/*
+- * acpid.c
+- */
+ extern int acpid_debug;
+ extern int logevents;
++extern const char *progname;
++
+ extern int acpid_log(int level, const char *fmt, ...);
+
+-/*
+- * event.c
+- */
+-extern int acpid_read_conf(const char *confdir);
+-extern int acpid_add_client(int client, const char *origin);
+-extern int acpid_cleanup_rules(int do_detach);
+-extern int acpid_handle_event(const char *event);
++extern int locked();
+
+ #endif /* ACPID_H__ */
+diff -ruN acpid-1.0.8.orig/acpi_genetlink.h acpid-1.0.8/acpi_genetlink.h
+--- acpid-1.0.8.orig/acpi_genetlink.h 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/acpi_genetlink.h 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,33 @@
++#ifndef __ACPI_GENETLINK_H__
++#define __ACPI_GENETLINK_H__ 1
++
++#include <linux/types.h>
++
++struct acpi_genl_event {
++ char device_class[20];
++ char bus_id[15];
++ __u32 type;
++ __u32 data;
++};
++
++/* attributes of acpi_genl_family */
++enum {
++ ACPI_GENL_ATTR_UNSPEC,
++ ACPI_GENL_ATTR_EVENT, /* ACPI event info needed by user space */
++ __ACPI_GENL_ATTR_MAX,
++};
++#define ACPI_GENL_ATTR_MAX (__ACPI_GENL_ATTR_MAX - 1)
++
++/* commands supported by the acpi_genl_family */
++enum {
++ ACPI_GENL_CMD_UNSPEC,
++ ACPI_GENL_CMD_EVENT, /* kernel->user notifications for ACPI events */ __ACPI_GENL_CMD_MAX,
++};
++#define ACPI_GENL_CMD_MAX (__ACPI_GENL_CMD_MAX - 1)
++#define GENL_MAX_FAM_OPS 256
++#define GENL_MAX_FAM_GRPS 256
++
++#define ACPI_EVENT_FAMILY_NAME "acpi_event"
++#define ACPI_EVENT_MCAST_GROUP_NAME "acpi_mc_group"
++
++#endif
+diff -ruN acpid-1.0.8.orig/acpi_ids.c acpid-1.0.8/acpi_ids.c
+--- acpid-1.0.8.orig/acpi_ids.c 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/acpi_ids.c 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,254 @@
++/*
++ * acpi_ids.c - ACPI Netlink Group and Family IDs
++ *
++ * Copyright (C) 2008 Ted Felix (www.tedfelix.com)
++ * Portions from acpi_genl Copyright (C) Zhang Rui <rui.zhang at intel.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 Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ */
++
++#include <stdio.h>
++/* needed by netlink.h, should be in there */
++#include <arpa/inet.h>
++#include <linux/types.h>
++#include <string.h>
++
++#include "genetlink.h"
++#include "libnetlink.h"
++
++#include "acpid.h"
++
++#define GENL_MAX_FAM_GRPS 256
++#define ACPI_EVENT_FAMILY_NAME "acpi_event"
++#define ACPI_EVENT_MCAST_GROUP_NAME "acpi_mc_group"
++
++static int initialized = 0;
++static __u16 acpi_event_family_id = 0;
++static __u32 acpi_event_mcast_group_id = 0;
++
++/*
++ * A CTRL_CMD_GETFAMILY message returns an attribute table that looks
++ * like this:
++ *
++ * CTRL_ATTR_FAMILY_ID Use this to make sure we get the proper msgs
++ * CTRL_ATTR_MCAST_GROUPS
++ * CTRL_ATTR_MCAST_GRP_NAME
++ * CTRL_ATTR_MCAST_GRP_ID Need this for the group mask
++ * ...
++ */
++
++static int
++get_ctrl_grp_id(struct rtattr *arg)
++{
++ struct rtattr *tb[CTRL_ATTR_MCAST_GRP_MAX + 1];
++ char *name;
++
++ if (arg == NULL)
++ return -1;
++
++ /* nested within the CTRL_ATTR_MCAST_GROUPS attribute are the */
++ /* group name and ID */
++ parse_rtattr_nested(tb, CTRL_ATTR_MCAST_GRP_MAX, arg);
++
++ /* if either of the entries needed cannot be found, bail */
++ if (!tb[CTRL_ATTR_MCAST_GRP_NAME] || !tb[CTRL_ATTR_MCAST_GRP_ID])
++ return -1;
++
++ /* get the name of this multicast group we've found */
++ name = RTA_DATA(tb[CTRL_ATTR_MCAST_GRP_NAME]);
++
++ /* if it does not match the ACPI event multicast group name, bail */
++ if (strcmp(name, ACPI_EVENT_MCAST_GROUP_NAME))
++ return -1;
++
++ /* At this point, we've found what we were looking for. We now */
++ /* have the multicast group ID for ACPI events over generic netlink. */
++ acpi_event_mcast_group_id =
++ *((__u32 *)RTA_DATA(tb[CTRL_ATTR_MCAST_GRP_ID]));
++
++ return 0;
++}
++
++/* n = the response to a CTRL_CMD_GETFAMILY message */
++static int
++genl_get_mcast_group_id(struct nlmsghdr *n)
++{
++ /*
++ * Attribute table. Note the type name "rtattr" which means "route
++ * attribute". This is a vestige of one of netlink's main uses:
++ * routing.
++ */
++ struct rtattr *tb[CTRL_ATTR_MAX + 1];
++ /* pointer to the generic netlink header in the incoming message */
++ struct genlmsghdr *ghdr = NLMSG_DATA(n);
++ /* length of the attribute and payload */
++ int len = n->nlmsg_len - NLMSG_LENGTH(GENL_HDRLEN);
++ /* Pointer to the attribute portion of the message */
++ struct rtattr *attrs;
++
++ if (len < 0) {
++ fprintf(stderr, "%s: netlink CTRL_CMD_GETFAMILY response, "
++ "wrong controller message len: %d\n", progname, len);
++ return -1;
++ }
++
++ if (n->nlmsg_type != GENL_ID_CTRL) {
++ fprintf(stderr, "%s: not a netlink controller message, "
++ "nlmsg_len=%d nlmsg_type=0x%x\n",
++ progname, n->nlmsg_len, n->nlmsg_type);
++ return 0;
++ }
++
++ if (ghdr->cmd != CTRL_CMD_GETFAMILY &&
++ ghdr->cmd != CTRL_CMD_DELFAMILY &&
++ ghdr->cmd != CTRL_CMD_NEWFAMILY &&
++ ghdr->cmd != CTRL_CMD_NEWMCAST_GRP &&
++ ghdr->cmd != CTRL_CMD_DELMCAST_GRP) {
++ fprintf(stderr, "%s: unknown netlink controller command %d\n",
++ progname, ghdr->cmd);
++ return 0;
++ }
++
++ /* set attrs to point to the attribute */
++ attrs = (struct rtattr *)((char *)ghdr + GENL_HDRLEN);
++ /* Read the table from the message into "tb". This actually just */
++ /* places pointers into the message into tb[]. */
++ parse_rtattr(tb, CTRL_ATTR_MAX, attrs, len);
++
++ /* if a family ID attribute is present, get it */
++ if (tb[CTRL_ATTR_FAMILY_ID])
++ {
++ acpi_event_family_id =
++ *((__u32 *)RTA_DATA(tb[CTRL_ATTR_FAMILY_ID]));
++ }
++
++ /* if a "multicast groups" attribute is present... */
++ if (tb[CTRL_ATTR_MCAST_GROUPS]) {
++ struct rtattr *tb2[GENL_MAX_FAM_GRPS + 1];
++ int i;
++
++ /* get the group table within this attribute */
++ parse_rtattr_nested(tb2, GENL_MAX_FAM_GRPS,
++ tb[CTRL_ATTR_MCAST_GROUPS]);
++
++ /* for each group */
++ for (i = 0; i < GENL_MAX_FAM_GRPS; i++)
++ /* if this group is valid */
++ if (tb2[i])
++ /* Parse the ID. If successful, we're done. */
++ if (!get_ctrl_grp_id(tb2[i]))
++ return 0;
++ }
++
++ return -1;
++}
++
++static int
++genl_get_ids(char *family_name)
++{
++ /* handle to the netlink connection */
++ struct rtnl_handle rth;
++ /* holds the request we are going to send and the reply */
++ struct {
++ struct nlmsghdr n;
++ char buf[4096]; /* ??? Is this big enough for all cases? */
++ } req;
++ /* pointer to the nlmsghdr in req */
++ struct nlmsghdr *nlh;
++ /* pointer to the generic netlink header in req */
++ struct genlmsghdr *ghdr;
++ /* return value */
++ int ret = -1;
++
++ /* clear out the request */
++ memset(&req, 0, sizeof(req));
++
++ /* set up nlh to point to the netlink header in req */
++ nlh = &req.n;
++ /* set up the netlink header */
++ nlh->nlmsg_len = NLMSG_LENGTH(GENL_HDRLEN);
++ nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
++ nlh->nlmsg_type = GENL_ID_CTRL;
++
++ /* set up ghdr to point to the generic netlink header */
++ ghdr = NLMSG_DATA(&req.n);
++ /* set the command we want to run: "GETFAMILY" */
++ ghdr->cmd = CTRL_CMD_GETFAMILY;
++
++ /* the message payload is the family name */
++ addattr_l(nlh, 128, CTRL_ATTR_FAMILY_NAME,
++ family_name, strlen(family_name) + 1);
++
++ /* open a generic netlink connection */
++ if (rtnl_open_byproto(&rth, 0, NETLINK_GENERIC) < 0) {
++ fprintf(stderr, "%s: cannot open generic netlink socket\n",
++ progname);
++ return -1;
++ }
++
++ /*
++ * Send CTRL_CMD_GETFAMILY message (in nlh) to the generic
++ * netlink controller. Reply will be in nlh upon return.
++ */
++ if (rtnl_talk(&rth, nlh, 0, 0, nlh, NULL, NULL) < 0) {
++ fprintf(stderr, "%s: error talking to the kernel via netlink\n",
++ progname);
++ goto ctrl_done;
++ }
++
++ /* process the response */
++ if (genl_get_mcast_group_id(nlh) < 0) {
++ fprintf(stderr, "%s: failed to get acpi_event netlink "
++ "multicast group\n", progname);
++ goto ctrl_done;
++ }
++
++ ret = 0;
++
++ctrl_done:
++ rtnl_close(&rth);
++ return ret;
++}
++
++/* initialize the ACPI IDs */
++static void
++acpi_ids_init()
++{
++ genl_get_ids(ACPI_EVENT_FAMILY_NAME);
++
++ initialized = 1;
++}
++
++/* returns the netlink family ID for ACPI event messages */
++__u16
++acpi_ids_getfamily()
++{
++ /* if the IDs haven't been initialized, initialize them */
++ if (initialized == 0)
++ acpi_ids_init();
++
++ return acpi_event_family_id;
++}
++
++/* returns the netlink multicast group ID for ACPI event messages */
++__u32
++acpi_ids_getgroup()
++{
++ /* if the IDs haven't been initialized, initialize them */
++ if (initialized == 0)
++ acpi_ids_init();
++
++ return acpi_event_mcast_group_id;
++}
+diff -ruN acpid-1.0.8.orig/acpi_ids.h acpid-1.0.8/acpi_ids.h
+--- acpid-1.0.8.orig/acpi_ids.h 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/acpi_ids.h 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,30 @@
++/*
++ * acpi_ids.h - ACPI Netlink Group and Family IDs
++ *
++ * Copyright (C) 2008 Ted Felix (www.tedfelix.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 Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ */
++
++#ifndef ACPI_IDS_H__
++#define ACPI_IDS_H__
++
++/* returns the netlink family ID for ACPI event messages */
++extern __u16 acpi_ids_getfamily();
++
++/* returns the netlink multicast group ID for ACPI event messages */
++extern __u32 acpi_ids_getgroup();
++
++#endif /* ACPI_IDS_H__ */
+diff -ruN acpid-1.0.8.orig/acpi_listen.c acpid-1.0.8/acpi_listen.c
+--- acpid-1.0.8.orig/acpi_listen.c 2008-11-03 14:04:43.000000000 +0100
++++ acpid-1.0.8/acpi_listen.c 2009-03-29 17:10:14.000000000 +0200
+@@ -42,8 +42,8 @@
+ static int handle_cmdline(int *argc, char ***argv);
+ static char *read_line(int fd);
+
+-static const char *progname;
+-static const char *socketfile = ACPID_SOCKETFILE;
++const char *progname;
++const char *socketfile = ACPID_SOCKETFILE;
+ static int max_events;
+
+ static void
+diff -ruN acpid-1.0.8.orig/connection_list.c acpid-1.0.8/connection_list.c
+--- acpid-1.0.8.orig/connection_list.c 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/connection_list.c 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,124 @@
++/*
++ * connection_list.c - ACPI daemon connection list
++ *
++ * Copyright (C) 2008, Ted Felix (www.tedfelix.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 Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ *
++ * Tabs at 4
++ */
++
++#include <unistd.h>
++#include <stdio.h>
++#include <sys/select.h>
++
++#include "acpid.h"
++
++#include "connection_list.h"
++
++#define max(a, b) (((a)>(b))?(a):(b))
++
++/*---------------------------------------------------------------*/
++/* private objects */
++
++#define MAX_CONNECTIONS 10
++
++static struct connection connection_list[MAX_CONNECTIONS];
++
++static int nconnections = 0;
++
++/* fd_set containing all the fd's that come in */
++static fd_set allfds;
++
++/* highest fd that is opened */
++/* (-2 + 1) causes select() to return immediately */
++static int highestfd = -2;
++
++/*---------------------------------------------------------------*/
++/* public functions */
++
++void
++add_connection(struct connection *p)
++{
++ if (nconnections < 0)
++ return;
++ if (nconnections >= MAX_CONNECTIONS) {
++ acpid_log(LOG_ERR, "Too many connections.\n");
++ return;
++ }
++
++ if (nconnections == 0)
++ FD_ZERO(&allfds);
++
++ /* add the connection to the connection list */
++ connection_list[nconnections] = *p;
++ ++nconnections;
++
++ /* add to the fd set */
++ FD_SET(p->fd, &allfds);
++ highestfd = max(highestfd, p->fd);
++}
++
++/*---------------------------------------------------------------*/
++
++struct connection *
++find_connection(int fd)
++{
++ int i;
++
++ /* for each connection */
++ for (i = 0; i < nconnections; ++i) {
++ /* if the file descriptors match, return the connection */
++ if (connection_list[i].fd == fd)
++ return &connection_list[i];
++ }
++
++ return NULL;
++}
++
++/*---------------------------------------------------------------*/
++
++int
++get_number_of_connections()
++{
++ return nconnections;
++}
++
++/*---------------------------------------------------------------*/
++
++struct connection *
++get_connection(int i)
++{
++ if (i < 0 || i >= nconnections)
++ return NULL;
++
++ return &connection_list[i];
++}
++
++/*---------------------------------------------------------------*/
++
++const fd_set *
++get_fdset()
++{
++ return &allfds;
++}
++
++/*---------------------------------------------------------------*/
++
++int
++get_highestfd()
++{
++ return highestfd;
++}
+diff -ruN acpid-1.0.8.orig/connection_list.h acpid-1.0.8/connection_list.h
+--- acpid-1.0.8.orig/connection_list.h 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/connection_list.h 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,59 @@
++/*
++ * connection_list.h - ACPI daemon connection list
++ *
++ * Copyright (C) 2008, Ted Felix (www.tedfelix.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 Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ *
++ * Tabs at 4
++ */
++
++#ifndef CONNECTION_LIST_H__
++#define CONNECTION_LIST_H__
++
++#include <sys/select.h>
++
++/*****************************************************************
++ * Connection List Public Members
++ *****************************************************************/
++
++struct connection
++{
++ /* file descriptor */
++ int fd;
++
++ /* process incoming data on the connection */
++ void (* process)(int fd);
++};
++
++/* add a connection to the list */
++extern void add_connection(struct connection *p);
++
++/* find a connection in the list by file descriptor */
++extern struct connection *find_connection(int fd);
++
++/* get the number of connections in the list */
++extern int get_number_of_connections();
++
++/* get a specific connection by index from the list */
++extern struct connection *get_connection(int i);
++
++/* get an fd_set with all the fd's that have been added to the list */
++extern const fd_set *get_fdset();
++
++/* get the highest fd that was added to the list */
++extern int get_highestfd();
++
++#endif /* CONNECTION_LIST_H__ */
+diff -ruN acpid-1.0.8.orig/event.c acpid-1.0.8/event.c
+--- acpid-1.0.8.orig/event.c 2008-11-03 14:04:43.000000000 +0100
++++ acpid-1.0.8/event.c 2009-03-29 17:10:14.000000000 +0200
+@@ -1,5 +1,5 @@
+ /*
+- * event.c - ACPI daemon
++ * event.c - ACPI daemon event handler
+ *
+ * Copyright (C) 2000 Andrew Henroid
+ * Copyright (C) 2001 Sun Microsystems (thockin at sun.com)
+diff -ruN acpid-1.0.8.orig/event.h acpid-1.0.8/event.h
+--- acpid-1.0.8.orig/event.h 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/event.h 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,31 @@
++/*
++ * event.h - ACPI daemon event handler
++ *
++ * Copyright (C) 1999-2000 Andrew Henroid
++ * Copyright (C) 2001 Sun Microsystems
++ * Portions Copyright (C) 2004 Tim Hockin (thockin at hockin.org)
++ *
++ * 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; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ */
++
++#ifndef EVENT_H__
++#define EVENT_H__
++
++extern int acpid_read_conf(const char *confdir);
++extern int acpid_add_client(int client, const char *origin);
++extern int acpid_cleanup_rules(int do_detach);
++extern int acpid_handle_event(const char *event);
++
++#endif /* EVENT_H__ */
+diff -ruN acpid-1.0.8.orig/genetlink.h acpid-1.0.8/genetlink.h
+--- acpid-1.0.8.orig/genetlink.h 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/genetlink.h 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,81 @@
++#ifndef __LINUX_GENERIC_NETLINK_H
++#define __LINUX_GENERIC_NETLINK_H
++
++#include <linux/netlink.h>
++
++#define GENL_NAMSIZ 16 /* length of family name */
++
++#define GENL_MIN_ID NLMSG_MIN_TYPE
++#define GENL_MAX_ID 1023
++
++struct genlmsghdr {
++ __u8 cmd;
++ __u8 version;
++ __u16 reserved;
++};
++
++#define GENL_HDRLEN NLMSG_ALIGN(sizeof(struct genlmsghdr))
++
++#define GENL_ADMIN_PERM 0x01
++#define GENL_CMD_CAP_DO 0x02
++#define GENL_CMD_CAP_DUMP 0x04
++#define GENL_CMD_CAP_HASPOL 0x08
++
++/*
++ * List of reserved static generic netlink identifiers:
++ */
++#define GENL_ID_GENERATE 0
++#define GENL_ID_CTRL NLMSG_MIN_TYPE
++
++/**************************************************************************
++ * Controller
++ **************************************************************************/
++
++enum {
++ CTRL_CMD_UNSPEC,
++ CTRL_CMD_NEWFAMILY,
++ CTRL_CMD_DELFAMILY,
++ CTRL_CMD_GETFAMILY,
++ CTRL_CMD_NEWOPS,
++ CTRL_CMD_DELOPS,
++ CTRL_CMD_GETOPS,
++ CTRL_CMD_NEWMCAST_GRP,
++ CTRL_CMD_DELMCAST_GRP,
++ CTRL_CMD_GETMCAST_GRP, /* unused */
++ __CTRL_CMD_MAX,
++};
++
++#define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)
++
++enum {
++ CTRL_ATTR_UNSPEC,
++ CTRL_ATTR_FAMILY_ID,
++ CTRL_ATTR_FAMILY_NAME,
++ CTRL_ATTR_VERSION,
++ CTRL_ATTR_HDRSIZE,
++ CTRL_ATTR_MAXATTR,
++ CTRL_ATTR_OPS,
++ CTRL_ATTR_MCAST_GROUPS,
++ __CTRL_ATTR_MAX,
++};
++
++#define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)
++
++enum {
++ CTRL_ATTR_OP_UNSPEC,
++ CTRL_ATTR_OP_ID,
++ CTRL_ATTR_OP_FLAGS,
++ __CTRL_ATTR_OP_MAX,
++};
++
++#define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
++
++enum {
++ CTRL_ATTR_MCAST_GRP_UNSPEC,
++ CTRL_ATTR_MCAST_GRP_NAME,
++ CTRL_ATTR_MCAST_GRP_ID,
++ __CTRL_ATTR_MCAST_GRP_MAX,
++};
++#define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
++
++#endif /* __LINUX_GENERIC_NETLINK_H */
+diff -ruN acpid-1.0.8.orig/input_layer.c acpid-1.0.8/input_layer.c
+--- acpid-1.0.8.orig/input_layer.c 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/input_layer.c 2009-03-29 17:11:58.000000000 +0200
+@@ -0,0 +1,262 @@
++/*
++ * input_layer - Kernel ACPI Event Input Layer Interface
++ *
++ * Handles the details of getting kernel ACPI events from the input
++ * layer (/dev/input/event*).
++ *
++ * Inspired by (and in some cases blatantly lifted from) Vojtech Pavlik's
++ * evtest.c.
++ *
++ * Copyright (C) 2008, Ted Felix (www.tedfelix.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 Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ *
++ * (tabs at 4)
++ */
++
++/* system */
++#include <unistd.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <fcntl.h>
++#include <linux/input.h>
++#include <string.h>
++#include <errno.h>
++#include <malloc.h>
++#include <glob.h>
++
++/* local */
++#include "acpid.h"
++#include "connection_list.h"
++#include "event.h"
++
++#define DIM(a) (sizeof(a) / sizeof(a[0]))
++
++struct evtab_entry {
++ struct input_event event;
++ const char *str;
++};
++
++/* event table: events we are interested in and their strings */
++/* use evtest.c or acpi_genl to find new events to add to this table */
++static struct evtab_entry evtab[] = {
++ {{{0,0}, EV_KEY, KEY_POWER, 1}, "button/power PBTN 00000080 00000000"},
++ {{{0,0}, EV_KEY, KEY_SLEEP, 1}, "button/sleep SBTN 00000080 00000000"},
++ {{{0,0}, EV_KEY, KEY_SUSPEND, 1},
++ "button/suspend SUSP 00000080 00000000"},
++ {{{0,0}, EV_SW, SW_LID, 1}, "button/lid LID close"},
++ {{{0,0}, EV_SW, SW_LID, 0}, "button/lid LID open"}
++};
++
++/*----------------------------------------------------------------------*/
++/* Given an input event, returns the string corresponding to that event.
++ If there is no corresponding string, NULL is returned. */
++static const char *
++event_string(struct input_event event)
++{
++ unsigned i;
++
++ /* for each entry in the event table */
++ for (i = 0; i < DIM(evtab); ++i)
++ {
++ /* if this is a matching event, return its string */
++ if (event.type == evtab[i].event.type &&
++ event.code == evtab[i].event.code &&
++ event.value == evtab[i].event.value) {
++ return evtab[i].str;
++ }
++ }
++
++ return NULL;
++}
++
++/*-----------------------------------------------------------------*/
++/* returns non-zero if the event type/code is one we need */
++static int
++need_event(int type, int code)
++{
++ unsigned i;
++
++ /* for each entry in the event table */
++ for (i = 0; i < DIM(evtab); ++i) {
++ /* if we found a matching event */
++ if (type == evtab[i].event.type &&
++ code == evtab[i].event.code) {
++ return 1;
++ }
++ }
++
++ return 0;
++}
++
++/*-----------------------------------------------------------------*/
++/* called when an input layer event is received */
++void process_input(int fd)
++{
++ struct input_event event;
++ ssize_t nbytes;
++ const char *str;
++ static int nerrs;
++
++ nbytes = read(fd, &event, sizeof(event));
++
++ if (nbytes == 0) {
++ acpid_log(LOG_WARNING, "input layer connection closed\n");
++ exit(EXIT_FAILURE);
++ }
++
++ if (nbytes < 0) {
++ /* if it's a signal, bail */
++ if (errno == EINTR)
++ return;
++
++ acpid_log(LOG_ERR, "input layer read error: %s (%d)\n",
++ strerror(errno), errno);
++ if (++nerrs >= ACPID_MAX_ERRS) {
++ acpid_log(LOG_ERR,
++ "too many errors reading "
++ "input layer - aborting\n");
++ exit(EXIT_FAILURE);
++ }
++ return;
++ }
++
++ /* ??? Is it possible for a partial message to come across? */
++ /* If so, we've got more code to write... */
++
++ if (nbytes != sizeof(event)) {
++ acpid_log(LOG_WARNING, "input layer unexpected length: "
++ "%d expected: %d\n", nbytes, sizeof(event));
++ return;
++ }
++
++ /* convert the event into a string */
++ str = event_string(event);
++ /* if this is not an event we care about, bail */
++ if (str == NULL)
++ return;
++
++ /* if we're locked, don't process the event */
++ if (locked()) {
++ if (logevents) {
++ acpid_log(LOG_INFO,
++ "lockfile present, not processing "
++ "input layer event \"%s\"\n", str);
++ }
++ return;
++ }
++
++ if (logevents)
++ acpid_log(LOG_INFO,
++ "received input layer event \"%s\"\n", str);
++
++ /* send the event off to the handler */
++ acpid_handle_event(str);
++
++ if (logevents)
++ acpid_log(LOG_INFO,
++ "completed input layer event \"%s\"\n", str);
++}
++
++#define BITS_PER_LONG (sizeof(long) * 8)
++#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
++#define OFF(x) ((x)%BITS_PER_LONG)
++#define LONG(x) ((x)/BITS_PER_LONG)
++#define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)
++
++/*--------------------------------------------------------------------*/
++/* returns non-zero if the file descriptor supports one of the events */
++/* supported by event_string(). */
++static int
++has_event(int fd)
++{
++ int type, code;
++ unsigned long bit[EV_MAX][NBITS(KEY_MAX)];
++
++ memset(bit, 0, sizeof(bit));
++ /* get the event type bitmap */
++ ioctl(fd, EVIOCGBIT(0, sizeof(bit[0])), bit[0]);
++
++ /* for each event type */
++ for (type = 0; type < EV_MAX; type++) {
++ /* if this event type is supported */
++ if (test_bit(type, bit[0])) {
++ /* skip sync */
++ if (type == EV_SYN) continue;
++ /* get the event code mask */
++ ioctl(fd, EVIOCGBIT(type, sizeof(bit[type])), bit[type]);
++ /* for each event code */
++ for (code = 0; code < KEY_MAX; code++) {
++ /* if this event code is supported */
++ if (test_bit(code, bit[type])) {
++ /* if we need this event */
++ if (need_event(type, code) != 0)
++ return 1;
++ }
++ }
++ }
++ }
++ return 0;
++}
++
++/* ??? make this changeable by commandline option */
++#define INPUT_LAYER_FS "/dev/input/event*"
++
++/*-----------------------------------------------------------------*
++ * open each of the appropriate /dev/input/event* files for input */
++void open_input(void)
++{
++ char *filename = NULL;
++ glob_t globbuf;
++ unsigned i;
++ int fd;
++ int success = 0;
++ struct connection c;
++
++ /* get all the matching event filenames */
++ glob(INPUT_LAYER_FS, 0, NULL, &globbuf);
++
++ /* for each event file */
++ for (i = 0; i < globbuf.gl_pathc; ++i)
++ {
++ filename = globbuf.gl_pathv[i];
++
++ fd = open(filename, O_RDONLY | O_NONBLOCK);
++ if (fd >= 0) {
++ /* if this file doesn't have events we need, try the next */
++ if (!has_event(fd))
++ {
++ close(fd);
++ continue;
++ }
++
++ success = 1;
++
++ if (acpid_debug)
++ fprintf(stderr, "%s: input layer %s "
++ "opened successfully\n", progname, filename);
++
++ /* add a connection to the list */
++ c.fd = fd;
++ c.process = process_input;
++ add_connection(&c);
++ }
++ }
++
++ if (!success)
++ fprintf(stderr, "%s: cannot open input layer\n", progname);
++
++ globfree(&globbuf);
++}
+diff -ruN acpid-1.0.8.orig/input_layer.h acpid-1.0.8/input_layer.h
+--- acpid-1.0.8.orig/input_layer.h 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/input_layer.h 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,32 @@
++/*
++ * input_layer.h - Kernel ACPI Event Input Layer Interface
++ *
++ * Handles the details of getting kernel ACPI events from the input
++ * layer (/dev/input/event*).
++ *
++ * Copyright (C) 2008, Ted Felix (www.tedfelix.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 Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ *
++ * (tabs at 4)
++ */
++
++#ifndef INPUT_LAYER_H__
++#define INPUT_LAYER_H__
++
++/* Open each of the appropriate /dev/input/event* files for input. */
++extern void open_input(void);
++
++#endif /* INPUT_LAYER_H__ */
+diff -ruN acpid-1.0.8.orig/libnetlink.c acpid-1.0.8/libnetlink.c
+--- acpid-1.0.8.orig/libnetlink.c 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/libnetlink.c 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,593 @@
++/*
++ * libnetlink.c RTnetlink service routines.
++ *
++ * 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; either version
++ * 2 of the License, or (at your option) any later version.
++ *
++ * Authors: Alexey Kuznetsov, <kuznet at ms2.inr.ac.ru>
++ *
++ * Modified by Ted Felix (www.tedfelix.com) to fix warnings.
++ *
++ */
++
++#include <stdio.h>
++#include <stdlib.h>
++#include <unistd.h>
++#include <syslog.h>
++#include <fcntl.h>
++#include <net/if_arp.h>
++#include <sys/socket.h>
++#include <netinet/in.h>
++#include <string.h>
++#include <errno.h>
++#include <time.h>
++#include <sys/uio.h>
++
++#include "libnetlink.h"
++
++void rtnl_close(struct rtnl_handle *rth)
++{
++ if (rth->fd >= 0) {
++ close(rth->fd);
++ rth->fd = -1;
++ }
++}
++
++int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions,
++ int protocol)
++{
++ socklen_t addr_len;
++ int sndbuf = 32768;
++ int rcvbuf = 32768;
++
++ memset(rth, 0, sizeof(rth));
++
++ rth->fd = socket(AF_NETLINK, SOCK_RAW, protocol);
++ if (rth->fd < 0) {
++ perror("Cannot open netlink socket");
++ return -1;
++ }
++
++ if (setsockopt(rth->fd,SOL_SOCKET,SO_SNDBUF,&sndbuf,sizeof(sndbuf)) < 0) {
++ perror("SO_SNDBUF");
++ return -1;
++ }
++
++ if (setsockopt(rth->fd,SOL_SOCKET,SO_RCVBUF,&rcvbuf,sizeof(rcvbuf)) < 0) {
++ perror("SO_RCVBUF");
++ return -1;
++ }
++
++ memset(&rth->local, 0, sizeof(rth->local));
++ rth->local.nl_family = AF_NETLINK;
++ rth->local.nl_groups = subscriptions;
++
++ if (bind(rth->fd, (struct sockaddr*)&rth->local, sizeof(rth->local)) < 0) {
++ perror("Cannot bind netlink socket");
++ return -1;
++ }
++ addr_len = sizeof(rth->local);
++ if (getsockname(rth->fd, (struct sockaddr*)&rth->local, &addr_len) < 0) {
++ perror("Cannot getsockname");
++ return -1;
++ }
++ if (addr_len != sizeof(rth->local)) {
++ fprintf(stderr, "Wrong address length %d\n", addr_len);
++ return -1;
++ }
++ if (rth->local.nl_family != AF_NETLINK) {
++ fprintf(stderr, "Wrong address family %d\n", rth->local.nl_family);
++ return -1;
++ }
++ rth->seq = time(NULL);
++ return 0;
++}
++
++int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions)
++{
++ return rtnl_open_byproto(rth, subscriptions, NETLINK_ROUTE);
++}
++
++int rtnl_wilddump_request(struct rtnl_handle *rth, int family, int type)
++{
++ struct {
++ struct nlmsghdr nlh;
++ struct rtgenmsg g;
++ } req;
++ struct sockaddr_nl nladdr;
++
++ memset(&nladdr, 0, sizeof(nladdr));
++ nladdr.nl_family = AF_NETLINK;
++
++ memset(&req, 0, sizeof(req));
++ req.nlh.nlmsg_len = sizeof(req);
++ req.nlh.nlmsg_type = type;
++ req.nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST;
++ req.nlh.nlmsg_pid = 0;
++ req.nlh.nlmsg_seq = rth->dump = ++rth->seq;
++ req.g.rtgen_family = family;
++
++ return sendto(rth->fd, (void*)&req, sizeof(req), 0,
++ (struct sockaddr*)&nladdr, sizeof(nladdr));
++}
++
++int rtnl_send(struct rtnl_handle *rth, const char *buf, int len)
++{
++ struct sockaddr_nl nladdr;
++
++ memset(&nladdr, 0, sizeof(nladdr));
++ nladdr.nl_family = AF_NETLINK;
++
++ return sendto(rth->fd, buf, len, 0, (struct sockaddr*)&nladdr, sizeof(nladdr));
++}
++
++int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len)
++{
++ struct nlmsghdr nlh;
++ struct sockaddr_nl nladdr;
++ struct iovec iov[2] = {
++ { .iov_base = &nlh, .iov_len = sizeof(nlh) },
++ { .iov_base = req, .iov_len = len }
++ };
++ struct msghdr msg = {
++ .msg_name = &nladdr,
++ .msg_namelen = sizeof(nladdr),
++ .msg_iov = iov,
++ .msg_iovlen = 2,
++ };
++
++ memset(&nladdr, 0, sizeof(nladdr));
++ nladdr.nl_family = AF_NETLINK;
++
++ nlh.nlmsg_len = NLMSG_LENGTH(len);
++ nlh.nlmsg_type = type;
++ nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST;
++ nlh.nlmsg_pid = 0;
++ nlh.nlmsg_seq = rth->dump = ++rth->seq;
++
++ return sendmsg(rth->fd, &msg, 0);
++}
++
++int rtnl_dump_filter(struct rtnl_handle *rth,
++ rtnl_filter_t filter,
++ void *arg1,
++ rtnl_filter_t junk,
++ void *arg2)
++{
++ struct sockaddr_nl nladdr;
++ struct iovec iov;
++ struct msghdr msg = {
++ .msg_name = &nladdr,
++ .msg_namelen = sizeof(nladdr),
++ .msg_iov = &iov,
++ .msg_iovlen = 1,
++ };
++ char buf[16384];
++
++ iov.iov_base = buf;
++ while (1) {
++ int status;
++ struct nlmsghdr *h;
++
++ iov.iov_len = sizeof(buf);
++ status = recvmsg(rth->fd, &msg, 0);
++
++ if (status < 0) {
++ if (errno == EINTR)
++ continue;
++ perror("OVERRUN");
++ continue;
++ }
++
++ if (status == 0) {
++ fprintf(stderr, "EOF on netlink\n");
++ return -1;
++ }
++
++ h = (struct nlmsghdr*)buf;
++ while (NLMSG_OK(h, (unsigned)status)) {
++ int err;
++
++ if (nladdr.nl_pid != 0 ||
++ h->nlmsg_pid != rth->local.nl_pid ||
++ h->nlmsg_seq != rth->dump) {
++ if (junk) {
++ err = junk(&nladdr, h, arg2);
++ if (err < 0)
++ return err;
++ }
++ goto skip_it;
++ }
++
++ if (h->nlmsg_type == NLMSG_DONE)
++ return 0;
++ if (h->nlmsg_type == NLMSG_ERROR) {
++ struct nlmsgerr *msgerr = (struct nlmsgerr*)NLMSG_DATA(h);
++ if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) {
++ fprintf(stderr, "ERROR truncated\n");
++ } else {
++ errno = -msgerr->error;
++ perror("RTNETLINK answers");
++ }
++ return -1;
++ }
++ err = filter(&nladdr, h, arg1);
++ if (err < 0)
++ return err;
++
++skip_it:
++ h = NLMSG_NEXT(h, status);
++ }
++ if (msg.msg_flags & MSG_TRUNC) {
++ fprintf(stderr, "Message truncated\n");
++ continue;
++ }
++ if (status) {
++ fprintf(stderr, "!!!Remnant of size %d\n", status);
++ exit(1);
++ }
++ }
++}
++
++int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
++ unsigned groups, struct nlmsghdr *answer,
++ rtnl_filter_t junk,
++ void *jarg)
++{
++ int status;
++ unsigned seq;
++ struct nlmsghdr *h;
++ struct sockaddr_nl nladdr;
++ struct iovec iov = {
++ .iov_base = (void*) n,
++ .iov_len = n->nlmsg_len
++ };
++ struct msghdr msg = {
++ .msg_name = &nladdr,
++ .msg_namelen = sizeof(nladdr),
++ .msg_iov = &iov,
++ .msg_iovlen = 1,
++ };
++ char buf[16384];
++
++ memset(&nladdr, 0, sizeof(nladdr));
++ nladdr.nl_family = AF_NETLINK;
++ nladdr.nl_pid = peer;
++ nladdr.nl_groups = groups;
++
++ n->nlmsg_seq = seq = ++rtnl->seq;
++
++ if (answer == NULL)
++ n->nlmsg_flags |= NLM_F_ACK;
++
++ status = sendmsg(rtnl->fd, &msg, 0);
++
++ if (status < 0) {
++ perror("Cannot talk to rtnetlink");
++ return -1;
++ }
++
++ memset(buf,0,sizeof(buf));
++
++ iov.iov_base = buf;
++
++ while (1) {
++ iov.iov_len = sizeof(buf);
++ status = recvmsg(rtnl->fd, &msg, 0);
++
++ if (status < 0) {
++ if (errno == EINTR)
++ continue;
++ perror("OVERRUN");
++ continue;
++ }
++ if (status == 0) {
++ fprintf(stderr, "EOF on netlink\n");
++ return -1;
++ }
++ if (msg.msg_namelen != sizeof(nladdr)) {
++ fprintf(stderr, "sender address length == %d\n", msg.msg_namelen);
++ exit(1);
++ }
++ for (h = (struct nlmsghdr*)buf; (unsigned)status >= sizeof(*h); ) {
++ int err;
++ int len = h->nlmsg_len;
++ int l = len - sizeof(*h);
++
++ if (l<0 || len>status) {
++ if (msg.msg_flags & MSG_TRUNC) {
++ fprintf(stderr, "Truncated message\n");
++ return -1;
++ }
++ fprintf(stderr, "!!!malformed message: len=%d\n", len);
++ exit(1);
++ }
++
++ if (nladdr.nl_pid != (unsigned)peer ||
++ h->nlmsg_pid != rtnl->local.nl_pid ||
++ h->nlmsg_seq != seq) {
++ if (junk) {
++ err = junk(&nladdr, h, jarg);
++ if (err < 0)
++ return err;
++ }
++ /* Don't forget to skip that message. */
++ status -= NLMSG_ALIGN(len);
++ h = (struct nlmsghdr*)((char*)h + NLMSG_ALIGN(len));
++ continue;
++ }
++
++ if (h->nlmsg_type == NLMSG_ERROR) {
++ struct nlmsgerr *msgerr = (struct nlmsgerr*)NLMSG_DATA(h);
++ if ((unsigned)l < sizeof(struct nlmsgerr)) {
++ fprintf(stderr, "ERROR truncated\n");
++ } else {
++ errno = -msgerr->error;
++ if (errno == 0) {
++ if (answer)
++ memcpy(answer, h, h->nlmsg_len);
++ return 0;
++ }
++ perror("RTNETLINK1 answers");
++ }
++ return -1;
++ }
++ if (answer) {
++ memcpy(answer, h, h->nlmsg_len);
++ return 0;
++ }
++
++ fprintf(stderr, "Unexpected reply!!!\n");
++
++ status -= NLMSG_ALIGN(len);
++ h = (struct nlmsghdr*)((char*)h + NLMSG_ALIGN(len));
++ }
++ if (msg.msg_flags & MSG_TRUNC) {
++ fprintf(stderr, "Message truncated\n");
++ continue;
++ }
++ if (status) {
++ fprintf(stderr, "!!!Remnant of size %d\n", status);
++ exit(1);
++ }
++ }
++}
++
++int rtnl_listen(struct rtnl_handle *rtnl,
++ rtnl_filter_t handler,
++ void *jarg)
++{
++ int status;
++ struct nlmsghdr *h;
++ struct sockaddr_nl nladdr;
++ struct iovec iov;
++ struct msghdr msg = {
++ .msg_name = &nladdr,
++ .msg_namelen = sizeof(nladdr),
++ .msg_iov = &iov,
++ .msg_iovlen = 1,
++ };
++ char buf[8192];
++
++ memset(&nladdr, 0, sizeof(nladdr));
++ nladdr.nl_family = AF_NETLINK;
++ nladdr.nl_pid = 0;
++ nladdr.nl_groups = 0;
++
++ iov.iov_base = buf;
++ while (1) {
++ iov.iov_len = sizeof(buf);
++ status = recvmsg(rtnl->fd, &msg, 0);
++
++ if (status < 0) {
++ if (errno == EINTR)
++ continue;
++ perror("OVERRUN");
++ continue;
++ }
++ if (status == 0) {
++ fprintf(stderr, "EOF on netlink\n");
++ return -1;
++ }
++ if (msg.msg_namelen != sizeof(nladdr)) {
++ fprintf(stderr, "Sender address length == %d\n", msg.msg_namelen);
++ exit(1);
++ }
++ for (h = (struct nlmsghdr*)buf; (unsigned)status >= sizeof(*h); ) {
++ int err;
++ int len = h->nlmsg_len;
++ int l = len - sizeof(*h);
++
++ if (l<0 || len>status) {
++ if (msg.msg_flags & MSG_TRUNC) {
++ fprintf(stderr, "Truncated message\n");
++ return -1;
++ }
++ fprintf(stderr, "!!!malformed message: len=%d\n", len);
++ exit(1);
++ }
++
++ err = handler(&nladdr, h, jarg);
++ if (err < 0)
++ return err;
++
++ status -= NLMSG_ALIGN(len);
++ h = (struct nlmsghdr*)((char*)h + NLMSG_ALIGN(len));
++ }
++ if (msg.msg_flags & MSG_TRUNC) {
++ fprintf(stderr, "Message truncated\n");
++ continue;
++ }
++ if (status) {
++ fprintf(stderr, "!!!Remnant of size %d\n", status);
++ exit(1);
++ }
++ }
++}
++
++int rtnl_from_file(FILE *rtnl, rtnl_filter_t handler,
++ void *jarg)
++{
++ int status;
++ struct sockaddr_nl nladdr;
++ char buf[8192];
++ struct nlmsghdr *h = (void*)buf;
++
++ memset(&nladdr, 0, sizeof(nladdr));
++ nladdr.nl_family = AF_NETLINK;
++ nladdr.nl_pid = 0;
++ nladdr.nl_groups = 0;
++
++ while (1) {
++ int err, len, type;
++ int l;
++
++ status = fread(&buf, 1, sizeof(*h), rtnl);
++
++ if (status < 0) {
++ if (errno == EINTR)
++ continue;
++ perror("rtnl_from_file: fread");
++ return -1;
++ }
++ if (status == 0)
++ return 0;
++
++ len = h->nlmsg_len;
++ type= h->nlmsg_type;
++ l = len - sizeof(*h);
++
++ if (l<0 || (unsigned)len>sizeof(buf)) {
++ fprintf(stderr, "!!!malformed message: len=%d @%lu\n",
++ len, ftell(rtnl));
++ return -1;
++ }
++
++ status = fread(NLMSG_DATA(h), 1, NLMSG_ALIGN(l), rtnl);
++
++ if (status < 0) {
++ perror("rtnl_from_file: fread");
++ return -1;
++ }
++ if (status < l) {
++ fprintf(stderr, "rtnl-from_file: truncated message\n");
++ return -1;
++ }
++
++ err = handler(&nladdr, h, jarg);
++ if (err < 0)
++ return err;
++ }
++}
++
++int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data)
++{
++ int len = RTA_LENGTH(4);
++ struct rtattr *rta;
++ if ((int)NLMSG_ALIGN(n->nlmsg_len) + len > maxlen) {
++ fprintf(stderr,"addattr32: Error! max allowed bound %d exceeded\n",maxlen);
++ return -1;
++ }
++ rta = NLMSG_TAIL(n);
++ rta->rta_type = type;
++ rta->rta_len = len;
++ memcpy(RTA_DATA(rta), &data, 4);
++ n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + len;
++ return 0;
++}
++
++int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data,
++ int alen)
++{
++ int len = RTA_LENGTH(alen);
++ struct rtattr *rta;
++
++ if ((int)NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(len) > maxlen) {
++ fprintf(stderr, "addattr_l ERROR: message exceeded bound of %d\n",maxlen);
++ return -1;
++ }
++ rta = NLMSG_TAIL(n);
++ rta->rta_type = type;
++ rta->rta_len = len;
++ memcpy(RTA_DATA(rta), data, alen);
++ n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(len);
++ return 0;
++}
++
++int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len)
++{
++ if ((int)NLMSG_ALIGN(n->nlmsg_len) + NLMSG_ALIGN(len) > maxlen) {
++ fprintf(stderr, "addraw_l ERROR: message exceeded bound of %d\n",maxlen);
++ return -1;
++ }
++
++ memcpy(NLMSG_TAIL(n), data, len);
++ memset((void *) NLMSG_TAIL(n) + len, 0, NLMSG_ALIGN(len) - len);
++ n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + NLMSG_ALIGN(len);
++ return 0;
++}
++
++int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data)
++{
++ int len = RTA_LENGTH(4);
++ struct rtattr *subrta;
++
++ if (RTA_ALIGN(rta->rta_len) + len > maxlen) {
++ fprintf(stderr,"rta_addattr32: Error! max allowed bound %d exceeded\n",maxlen);
++ return -1;
++ }
++ subrta = (struct rtattr*)(((char*)rta) + RTA_ALIGN(rta->rta_len));
++ subrta->rta_type = type;
++ subrta->rta_len = len;
++ memcpy(RTA_DATA(subrta), &data, 4);
++ rta->rta_len = NLMSG_ALIGN(rta->rta_len) + len;
++ return 0;
++}
++
++int rta_addattr_l(struct rtattr *rta, int maxlen, int type,
++ const void *data, int alen)
++{
++ struct rtattr *subrta;
++ int len = RTA_LENGTH(alen);
++
++ if (RTA_ALIGN(rta->rta_len) + RTA_ALIGN(len) > maxlen) {
++ fprintf(stderr,"rta_addattr_l: Error! max allowed bound %d exceeded\n",maxlen);
++ return -1;
++ }
++ subrta = (struct rtattr*)(((char*)rta) + RTA_ALIGN(rta->rta_len));
++ subrta->rta_type = type;
++ subrta->rta_len = len;
++ memcpy(RTA_DATA(subrta), data, alen);
++ rta->rta_len = NLMSG_ALIGN(rta->rta_len) + RTA_ALIGN(len);
++ return 0;
++}
++
++int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len)
++{
++ memset(tb, 0, sizeof(struct rtattr *) * (max + 1));
++ while (RTA_OK(rta, len)) {
++ if (rta->rta_type <= max)
++ tb[rta->rta_type] = rta;
++ rta = RTA_NEXT(rta,len);
++ }
++ if (len)
++ fprintf(stderr, "!!!Deficit %d, rta_len=%d\n", len, rta->rta_len);
++ return 0;
++}
++
++int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len)
++{
++ int i = 0;
++
++ memset(tb, 0, sizeof(struct rtattr *) * max);
++ while (RTA_OK(rta, len)) {
++ if (rta->rta_type <= max && i < max)
++ tb[i++] = rta;
++ rta = RTA_NEXT(rta,len);
++ }
++ if (len)
++ fprintf(stderr, "!!!Deficit %d, rta_len=%d\n", len, rta->rta_len);
++ return i;
++}
+diff -ruN acpid-1.0.8.orig/libnetlink.h acpid-1.0.8/libnetlink.h
+--- acpid-1.0.8.orig/libnetlink.h 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/libnetlink.h 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,91 @@
++#ifndef __LIBNETLINK_H__
++#define __LIBNETLINK_H__ 1
++
++#include <asm/types.h>
++// needed by netlink.h, should be in there
++#include <arpa/inet.h>
++#include <linux/netlink.h>
++#include <linux/rtnetlink.h>
++
++struct rtnl_handle
++{
++ int fd;
++ struct sockaddr_nl local;
++ struct sockaddr_nl peer;
++ __u32 seq;
++ __u32 dump;
++};
++
++extern int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions);
++extern int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions, int protocol);
++extern void rtnl_close(struct rtnl_handle *rth);
++extern int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type);
++extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);
++
++typedef int (*rtnl_filter_t)(const struct sockaddr_nl *,
++ struct nlmsghdr *n, void *);
++extern int rtnl_dump_filter(struct rtnl_handle *rth, rtnl_filter_t filter,
++ void *arg1,
++ rtnl_filter_t junk,
++ void *arg2);
++extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
++ unsigned groups, struct nlmsghdr *answer,
++ rtnl_filter_t junk,
++ void *jarg);
++extern int rtnl_send(struct rtnl_handle *rth, const char *buf, int);
++
++
++extern int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data);
++extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, int alen);
++extern int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len);
++extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data);
++extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, const void *data, int alen);
++
++extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
++extern int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len);
++
++#define parse_rtattr_nested(tb, max, rta) \
++ (parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))
++
++extern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler,
++ void *jarg);
++extern int rtnl_from_file(FILE *, rtnl_filter_t handler,
++ void *jarg);
++
++#define NLMSG_TAIL(nmsg) \
++ ((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))
++
++#ifndef IFA_RTA
++#define IFA_RTA(r) \
++ ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
++#endif
++#ifndef IFA_PAYLOAD
++#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))
++#endif
++
++#ifndef IFLA_RTA
++#define IFLA_RTA(r) \
++ ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
++#endif
++#ifndef IFLA_PAYLOAD
++#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))
++#endif
++
++#ifndef NDA_RTA
++#define NDA_RTA(r) \
++ ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg))))
++#endif
++#ifndef NDA_PAYLOAD
++#define NDA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndmsg))
++#endif
++
++#ifndef NDTA_RTA
++#define NDTA_RTA(r) \
++ ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndtmsg))))
++#endif
++#ifndef NDTA_PAYLOAD
++#define NDTA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndtmsg))
++#endif
++
++#endif /* __LIBNETLINK_H__ */
++
+diff -ruN acpid-1.0.8.orig/Makefile acpid-1.0.8/Makefile
+--- acpid-1.0.8.orig/Makefile 2008-11-03 14:04:43.000000000 +0100
++++ acpid-1.0.8/Makefile 2009-03-29 17:10:14.000000000 +0200
+@@ -12,7 +12,8 @@
+ BIN_PROGS = acpi_listen
+ PROGS = $(SBIN_PROGS) $(BIN_PROGS)
+
+-acpid_SRCS = acpid.c event.c ud_socket.c
++acpid_SRCS = acpid.c acpi_ids.c connection_list.c event.c input_layer.c \
++ libnetlink.c netlink.c proc.c sock.c ud_socket.c
+ acpid_OBJS = $(acpid_SRCS:.c=.o)
+
+ acpi_listen_SRCS = acpi_listen.c ud_socket.c
+diff -ruN acpid-1.0.8.orig/netlink.c acpid-1.0.8/netlink.c
+--- acpid-1.0.8.orig/netlink.c 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/netlink.c 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,239 @@
++/*
++ * netlink.c - Kernel ACPI Event Netlink Interface
++ *
++ * Handles the details of getting kernel ACPI events from netlink.
++ *
++ * Inspired by (and in some cases blatantly lifted from) Zhang Rui's
++ * acpi_genl and Alexey Kuznetsov's libnetlink. Thanks also to Yi Yang
++ * at intel.
++ *
++ * Copyright (C) 2008, Ted Felix (www.tedfelix.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 Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ *
++ * (tabs at 4)
++ */
++
++/* system */
++#include <unistd.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#include <errno.h>
++
++/* local */
++#include "acpid.h"
++#include "event.h"
++
++#include "libnetlink.h"
++#include "genetlink.h"
++#include "acpi_genetlink.h"
++
++#include "acpi_ids.h"
++#include "connection_list.h"
++
++static void
++format_netlink(struct nlmsghdr *msg)
++{
++ struct rtattr *tb[ACPI_GENL_ATTR_MAX + 1];
++ struct genlmsghdr *ghdr = NLMSG_DATA(msg);
++ int len;
++ struct rtattr *attrs;
++
++ len = msg->nlmsg_len;
++
++ /* if this message doesn't have the proper family ID, drop it */
++ if (msg->nlmsg_type != acpi_ids_getfamily()) {
++ if (logevents) {
++ acpid_log(LOG_INFO, "wrong netlink family ID.\n");
++ }
++ return;
++ }
++
++ len -= NLMSG_LENGTH(GENL_HDRLEN);
++
++ if (len < 0) {
++ acpid_log(LOG_WARNING,
++ "wrong netlink controller message len: %d\n", len);
++ return;
++ }
++
++ attrs = (struct rtattr *)((char *)ghdr + GENL_HDRLEN);
++ /* parse the attributes in this message */
++ parse_rtattr(tb, ACPI_GENL_ATTR_MAX, attrs, len);
++
++ /* if there's an ACPI event attribute... */
++ if (tb[ACPI_GENL_ATTR_EVENT]) {
++ /* get the actual event struct */
++ struct acpi_genl_event *event =
++ RTA_DATA(tb[ACPI_GENL_ATTR_EVENT]);
++ char buf[64];
++
++ /* format it */
++ snprintf(buf, sizeof(buf), "%s %s %08x %08x",
++ event->device_class, event->bus_id, event->type, event->data);
++
++ /* if we're locked, don't process the event */
++ if (locked()) {
++ if (logevents) {
++ acpid_log(LOG_INFO,
++ "lockfile present, not processing "
++ "netlink event \"%s\"\n", buf);
++ }
++ return;
++ }
++
++ if (logevents)
++ acpid_log(LOG_INFO,
++ "received netlink event \"%s\"\n", buf);
++
++ /* send the event off to the handler */
++ acpid_handle_event(buf);
++
++ if (logevents)
++ acpid_log(LOG_INFO,
++ "completed netlink event \"%s\"\n", buf);
++ }
++}
++
++/* (based on rtnl_listen() in libnetlink.c) */
++void
++process_netlink(int fd)
++{
++ int status;
++ struct nlmsghdr *h;
++ /* the address for recvmsg() */
++ struct sockaddr_nl nladdr;
++ /* the io vector for recvmsg() */
++ struct iovec iov;
++ /* recvmsg() parameters */
++ struct msghdr msg = {
++ .msg_name = &nladdr,
++ .msg_namelen = sizeof(nladdr),
++ .msg_iov = &iov,
++ .msg_iovlen = 1,
++ };
++ /* buffer for the incoming data */
++ char buf[8192];
++ static int nerrs;
++
++ /* set up the netlink address */
++ memset(&nladdr, 0, sizeof(nladdr));
++ nladdr.nl_family = AF_NETLINK;
++ nladdr.nl_pid = 0;
++ nladdr.nl_groups = 0;
++
++ /* set up the I/O vector */
++ iov.iov_base = buf;
++ iov.iov_len = sizeof(buf);
++
++ /* read the data into the buffer */
++ status = recvmsg(fd, &msg, 0);
++
++ /* if there was a problem, print a message and keep trying */
++ if (status < 0) {
++ /* if we were interrupted by a signal, bail */
++ if (errno == EINTR)
++ return;
++
++ acpid_log(LOG_ERR, "netlink read error: %s (%d)\n",
++ strerror(errno), errno);
++ if (++nerrs >= ACPID_MAX_ERRS) {
++ acpid_log(LOG_ERR,
++ "too many errors reading via "
++ "netlink - aborting\n");
++ exit(EXIT_FAILURE);
++ }
++ return;
++ }
++ /* if an orderly shutdown has occurred, we're done */
++ if (status == 0) {
++ acpid_log(LOG_WARNING, "netlink connection closed\n");
++ exit(EXIT_FAILURE);
++ }
++ /* check to see if the address length has changed */
++ if (msg.msg_namelen != sizeof(nladdr)) {
++ acpid_log(LOG_WARNING, "netlink unexpected length: "
++ "%d expected: %d\n", msg.msg_namelen, sizeof(nladdr));
++ return;
++ }
++
++ /* for each message received */
++ for (h = (struct nlmsghdr*)buf; (unsigned)status >= sizeof(*h); ) {
++ int len = h->nlmsg_len;
++ int l = len - sizeof(*h);
++
++ if (l < 0 || len > status) {
++ if (msg.msg_flags & MSG_TRUNC) {
++ acpid_log(LOG_WARNING, "netlink msg truncated (1)\n");
++ return;
++ }
++ acpid_log(LOG_WARNING,
++ "malformed netlink msg, length %d\n", len);
++ return;
++ }
++
++ /* format the message */
++ format_netlink(h);
++
++ status -= NLMSG_ALIGN(len);
++ h = (struct nlmsghdr*)((char*)h + NLMSG_ALIGN(len));
++ }
++ if (msg.msg_flags & MSG_TRUNC) {
++ acpid_log(LOG_WARNING, "netlink msg truncated (2)\n");
++ return;
++ }
++ if (status) {
++ acpid_log(LOG_WARNING, "netlink remnant of size %d\n", status);
++ return;
++ }
++
++ return;
++}
++
++/* convert the netlink multicast group number into a bit map */
++/* (e.g. 4 => 16, 5 => 32) */
++static __u32
++nl_mgrp(__u32 group)
++{
++ if (group > 31) {
++ fprintf(stderr, "%s: unexpected group number %d\n",
++ progname, group);
++ return 0;
++ }
++ return group ? (1 << (group - 1)) : 0;
++}
++
++void open_netlink(void)
++{
++ struct rtnl_handle rth;
++ struct connection c;
++
++ /* open the appropriate netlink socket for input */
++ if (rtnl_open_byproto(
++ &rth, nl_mgrp(acpi_ids_getgroup()), NETLINK_GENERIC) < 0) {
++ fprintf(stderr, "%s: cannot open generic netlink socket\n",
++ progname);
++ return;
++ }
++
++ if (acpid_debug)
++ fprintf(stderr, "%s: netlink opened successfully\n", progname);
++
++ /* add a connection to the list */
++ c.fd = rth.fd;
++ c.process = process_netlink;
++ add_connection(&c);
++}
+diff -ruN acpid-1.0.8.orig/netlink.h acpid-1.0.8/netlink.h
+--- acpid-1.0.8.orig/netlink.h 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/netlink.h 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,31 @@
++/*
++ * netlink.h - Kernel ACPI Event Netlink Interface
++ *
++ * Handles the details of getting kernel ACPI events from netlink.
++ *
++ * Copyright (C) 2008, Ted Felix (www.tedfelix.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 Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ *
++ * (tabs at 4)
++ */
++
++#ifndef NETLINK_H__
++#define NETLINK_H__
++
++/* open the netlink connection */
++extern void open_netlink(void);
++
++#endif /* NETLINK_H__ */
+diff -ruN acpid-1.0.8.orig/proc.c acpid-1.0.8/proc.c
+--- acpid-1.0.8.orig/proc.c 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/proc.c 2009-03-29 17:18:26.000000000 +0200
+@@ -0,0 +1,207 @@
++/*
++ * proc.c - ACPI daemon proc filesystem interface
++ *
++ * Portions Copyright (C) 2000 Andrew Henroid
++ * Portions Copyright (C) 2001 Sun Microsystems
++ * Portions Copyright (C) 2004 Tim Hockin (thockin at hockin.org)
++ *
++ * 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; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ */
++
++#include <unistd.h>
++#include <fcntl.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#include <errno.h>
++
++#include "acpid.h"
++#include "event.h"
++#include "connection_list.h"
++
++const char *eventfile = ACPID_EVENTFILE;
++
++static char *read_line(int fd);
++
++static void
++process_proc(int fd)
++{
++ char *event;
++
++ /* read an event */
++ event = read_line(fd);
++
++ /* if we're locked, don't process the event */
++ if (locked()) {
++ if (logevents && event != NULL) {
++ acpid_log(LOG_INFO,
++ "lockfile present, not processing "
++ "event \"%s\"\n", event);
++ }
++ return;
++ }
++
++ /* handle the event */
++ if (event) {
++ if (logevents) {
++ acpid_log(LOG_INFO,
++ "procfs received event \"%s\"\n", event);
++ }
++ acpid_handle_event(event);
++ if (logevents) {
++ acpid_log(LOG_INFO,
++ "procfs completed event \"%s\"\n", event);
++ }
++ } else if (errno == EPIPE) {
++ acpid_log(LOG_WARNING,
++ "events file connection closed\n");
++ exit(EXIT_FAILURE);
++ } else {
++ static int nerrs;
++ if (++nerrs >= ACPID_MAX_ERRS) {
++ acpid_log(LOG_ERR,
++ "too many errors reading "
++ "events file - aborting\n");
++ exit(EXIT_FAILURE);
++ }
++ }
++}
++
++int
++open_proc()
++{
++ int fd;
++ struct connection c;
++
++ fd = open(eventfile, O_RDONLY);
++ if (fd < 0) {
++ if (acpid_debug)
++ fprintf(stderr, "%s: can't open %s: %s\n", progname,
++ eventfile, strerror(errno));
++ return -1;
++ }
++ fcntl(fd, F_SETFD, FD_CLOEXEC);
++
++ if (acpid_debug)
++ fprintf(stderr, "%s: proc fs opened successfully\n", progname);
++
++ /* add a connection to the list */
++ c.fd = fd;
++ c.process = process_proc;
++ add_connection(&c);
++
++ return 0;
++}
++
++/*
++ * This depends on fixes in linux ACPI after 2.4.8
++ */
++#define BUFLEN 1024
++static char *
++read_line(int fd)
++{
++ static char buf[BUFLEN];
++ int i = 0;
++ int r;
++ int searching = 1;
++
++ while (searching) {
++ memset(buf+i, 0, BUFLEN-i);
++
++ /* only go to BUFLEN-1 so there will always be a 0 at the end */
++ while (i < BUFLEN-1) {
++ r = read(fd, buf+i, 1);
++ if (r < 0 && errno != EINTR) {
++ /* we should do something with the data */
++ acpid_log(LOG_ERR, "read(): %s\n",
++ strerror(errno));
++ return NULL;
++ } else if (r == 0) {
++ /* signal this in an almost standard way */
++ errno = EPIPE;
++ return NULL;
++ } else if (r == 1) {
++ /* scan for a newline */
++ if (buf[i] == '\n') {
++ searching = 0;
++ buf[i] = '\0';
++ break;
++ }
++ i++;
++ }
++ }
++ if (i >= BUFLEN - 1)
++ break;
++ }
++
++ return buf;
++}
++
++#if 0
++/* This version leaks memory. The above version is simpler and leak-free. */
++/* Downside is that the above version always uses 1k of RAM. */
++/*
++ * This depends on fixes in linux ACPI after 2.4.8
++ */
++#define MAX_BUFLEN 1024
++static char *
++read_line(int fd)
++{
++ static char *buf;
++ int buflen = 64;
++ int i = 0;
++ int r;
++ int searching = 1;
++
++ while (searching) {
++ /* ??? This memory is leaked since it is never freed */
++ buf = realloc(buf, buflen);
++ if (!buf) {
++ acpid_log(LOG_ERR, "malloc(%d): %s\n",
++ buflen, strerror(errno));
++ return NULL;
++ }
++ memset(buf+i, 0, buflen-i);
++
++ while (i < buflen) {
++ r = read(fd, buf+i, 1);
++ if (r < 0 && errno != EINTR) {
++ /* we should do something with the data */
++ acpid_log(LOG_ERR, "read(): %s\n",
++ strerror(errno));
++ return NULL;
++ } else if (r == 0) {
++ /* signal this in an almost standard way */
++ errno = EPIPE;
++ return NULL;
++ } else if (r == 1) {
++ /* scan for a newline */
++ if (buf[i] == '\n') {
++ searching = 0;
++ buf[i] = '\0';
++ break;
++ }
++ i++;
++ }
++ }
++ if (buflen >= MAX_BUFLEN) {
++ break;
++ }
++ buflen *= 2;
++ }
++
++ return buf;
++}
++#endif
+diff -ruN acpid-1.0.8.orig/proc.h acpid-1.0.8/proc.h
+--- acpid-1.0.8.orig/proc.h 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/proc.h 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,30 @@
++/*
++ * proc.h - ACPI daemon proc filesystem interface
++ *
++ * Portions Copyright (C) 2000 Andrew Henroid
++ * Portions Copyright (C) 2001 Sun Microsystems
++ * Portions Copyright (C) 2004 Tim Hockin (thockin at hockin.org)
++ *
++ * 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; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ */
++
++#ifndef PROC_H__
++#define PROC_H__
++
++extern const char *eventfile;
++
++extern int open_proc();
++
++#endif /* PROC_H__ */
+diff -ruN acpid-1.0.8.orig/sock.c acpid-1.0.8/sock.c
+--- acpid-1.0.8.orig/sock.c 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/sock.c 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,98 @@
++/*
++ * sock.c - ACPI daemon socket interface
++ *
++ * Portions Copyright (C) 2000 Andrew Henroid
++ * Portions Copyright (C) 2001 Sun Microsystems
++ * Portions Copyright (C) 2004 Tim Hockin (thockin at hockin.org)
++ *
++ * 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; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ */
++
++#include <unistd.h>
++#include <fcntl.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <errno.h>
++#include <grp.h>
++
++#include "acpid.h"
++#include "event.h"
++#include "ud_socket.h"
++#include "connection_list.h"
++
++const char *socketfile = ACPID_SOCKETFILE;
++const char *socketgroup;
++mode_t socketmode = ACPID_SOCKETMODE;
++
++static void
++process_sock(int fd)
++{
++ int cli_fd;
++ struct ucred creds;
++ char buf[32];
++
++ /* accept and add to our lists */
++ cli_fd = ud_accept(fd, &creds);
++ if (cli_fd < 0) {
++ acpid_log(LOG_ERR, "can't accept client: %s\n",
++ strerror(errno));
++ return;
++ }
++ fcntl(cli_fd, F_SETFD, FD_CLOEXEC);
++ snprintf(buf, sizeof(buf)-1, "%d[%d:%d]",
++ creds.pid, creds.uid, creds.gid);
++ acpid_add_client(cli_fd, buf);
++}
++
++void
++open_sock()
++{
++ int fd;
++ struct connection c;
++
++ fd = ud_create_socket(socketfile);
++ if (fd < 0) {
++ fprintf(stderr, "%s: can't open socket %s: %s\n",
++ progname, socketfile, strerror(errno));
++ exit(EXIT_FAILURE);
++ }
++ fcntl(fd, F_SETFD, FD_CLOEXEC);
++ chmod(socketfile, socketmode);
++ if (socketgroup) {
++ struct group *gr;
++ struct stat buf;
++ gr = getgrnam(socketgroup);
++ if (!gr) {
++ fprintf(stderr, "%s: group %s does not exist\n",
++ progname, socketgroup);
++ exit(EXIT_FAILURE);
++ }
++ if (stat(socketfile, &buf) < 0) {
++ fprintf(stderr, "%s: can't stat %s\n",
++ progname, socketfile);
++ exit(EXIT_FAILURE);
++ }
++ if (chown(socketfile, buf.st_uid, gr->gr_gid) < 0) {
++ fprintf(stderr, "%s: chown(): %s\n",
++ progname, strerror(errno));
++ exit(EXIT_FAILURE);
++ }
++ }
++
++ /* add a connection to the list */
++ c.fd = fd;
++ c.process = process_sock;
++ add_connection(&c);
++}
+diff -ruN acpid-1.0.8.orig/sock.h acpid-1.0.8/sock.h
+--- acpid-1.0.8.orig/sock.h 1970-01-01 01:00:00.000000000 +0100
++++ acpid-1.0.8/sock.h 2009-03-29 17:10:14.000000000 +0200
+@@ -0,0 +1,32 @@
++/*
++ * sock.h - ACPI daemon socket interface
++ *
++ * Portions Copyright (C) 2000 Andrew Henroid
++ * Portions Copyright (C) 2001 Sun Microsystems
++ * Portions Copyright (C) 2004 Tim Hockin (thockin at hockin.org)
++ *
++ * 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; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ */
++
++#ifndef SOCK_H__
++#define SOCK_H__
++
++extern const char *socketfile;
++extern const char *socketgroup;
++extern mode_t socketmode;
++
++extern void open_sock();
++
++#endif /* SOCK_H__ */
diff --git a/recipes/acpid/acpid_1.0.8.bb b/recipes/acpid/acpid_1.0.8.bb
new file mode 100644
index 0000000..98638e6
--- /dev/null
+++ b/recipes/acpid/acpid_1.0.8.bb
@@ -0,0 +1,6 @@
+require acpid.inc
+
+SRC_URI_append = " file://event.c.diff;patch=1 \
+ file://fixfd.diff;patch=1 \
+ file://netlink.diff;patch=1"
+
--
1.6.2.1.303.g63699
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