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Code Issues Releases Wiki Activity

Remove unused telinit code

Browse source 
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
This commit is contained in:
David Oberhollenzer 2018-11-04 15:33:00 +01:00
parent c0e8c7e245
commit b864c727c8
8 changed files with 4 additions and 247 deletions
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2
cmd/Makemodule.am
View file

@ -2,7 +2,7 @@ shutdown_SOURCES = cmd/shutdown.c
shutdown_CPPFLAGS = $(AM_CPPFLAGS)
shutdown_CFLAGS = $(AM_CFLAGS)
shutdown_LDFLAGS = $(AM_LDFLAGS)
shutdown_LDADD = libinit.a libutil.a
shutdown_LDADD = libutil.a
runsvc_SOURCES = cmd/runsvc/runsvc.c cmd/runsvc/env.c cmd/runsvc/runsvc.h
runsvc_CPPFLAGS = $(AM_CPPFLAGS)

1
initd/init.h
View file

@ -34,7 +34,6 @@
#include <signal.h>
#include "service.h"
#include "telinit.h"
#include "util.h"
#define RUNSVCBIN SCRIPTDIR "/runsvc"

59
initd/main.c
View file

@ -17,7 +17,6 @@
*/
#include "init.h"
static int ti_sock = -1;
static int sigfd = -1;
static void handle_signal(void)
@ -49,59 +48,10 @@ static void handle_signal(void)
}
}
static int read_msg(int fd, ti_msg_t *msg)
{
ssize_t ret;
retry:
ret = read(fd, msg, sizeof(*msg));
if (ret < 0) {
if (errno == EINTR)
goto retry;
perror("read on telinit socket");
return -1;
}
if ((size_t)ret < sizeof(*msg)) {
fputs("short read on telinit socket", stderr);
return -1;
}
return 0;
}
static void handle_tellinit(void)
{
ti_msg_t msg;
int fd;
fd = accept(ti_sock, NULL, NULL);
if (fd == -1)
return;
if (read_msg(fd, &msg)) {
close(fd);
return;
}
switch (msg.type) {
case TI_SHUTDOWN:
supervisor_set_target(TGT_SHUTDOWN);
break;
case TI_REBOOT:
supervisor_set_target(TGT_REBOOT);
break;
}
close(fd);
}
void target_completed(int target)
{
switch (target) {
case TGT_BOOT:
if (ti_sock == -1)
ti_sock = mksock(INITSOCK, SOCK_FLAG_ROOT_ONLY);
break;
case TGT_SHUTDOWN:
for (;;)
@ -139,20 +89,11 @@ int main(void)
pfd[0].events = POLLIN;
count = 1;
if (ti_sock != -1) {
pfd[1].fd = ti_sock;
pfd[1].events = POLLIN;
count = 2;
}
ret = poll(pfd, count, -1);
if (ret > 0) {
if (pfd[0].revents & POLLIN)
handle_signal();
if (ti_sock != -1 && pfd[1].revents & POLLIN)
handle_tellinit();
}
}

7
lib/Makemodule.am
View file

@ -2,14 +2,13 @@ HEADRS = lib/include/util.h lib/include/service.h lib/include/telinit.h
libinit_a_SOURCES = lib/init/delsvc.c lib/init/svcmap.c lib/init/rdsvc.c
libinit_a_SOURCES += lib/init/svcscan.c lib/init/del_svc_list.c
libinit_a_SOURCES += lib/init/svc_tsort.c lib/init/opensock.c $(HEADRS)
libinit_a_SOURCES += lib/init/svc_tsort.c $(HEADRS)
libinit_a_CPPFLAGS = $(AM_CPPFLAGS)
libinit_a_CFLAGS = $(AM_CFLAGS)
libutil_a_SOURCES = lib/util/argv_exec.c lib/util/enum_by_name.c
libutil_a_SOURCES += lib/util/enum_to_name.c lib/util/mksock.c
libutil_a_SOURCES += lib/util/print_version.c lib/util/fopenat.c
libutil_a_SOURCES += lib/include/util.h
libutil_a_SOURCES += lib/util/enum_to_name.c lib/util/print_version.c
libutil_a_SOURCES += lib/util/fopenat.c lib/include/util.h
libutil_a_CPPFLAGS = $(AM_CPPFLAGS)
libutil_a_CFLAGS = $(AM_CFLAGS)

38
lib/include/telinit.h
View file

@ -1,38 +0,0 @@
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* Copyright (C) 2018 - David Oberhollenzer
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#ifndef TELINIT_H
#define TELINIT_H
#include "config.h"
#define INITSOCK SOCKDIR "/" "initd.socket"
enum {
TI_SHUTDOWN = 1,
TI_REBOOT = 2,
};
typedef struct {
int type; /* TI_* message type identifier */
} ti_msg_t;
/* Try to connect to the init socket. */
int opensock(void);
#endif /* TELINIT_H */

10
lib/include/util.h
View file

@ -67,16 +67,6 @@ const enum_map_t *enum_by_name(const enum_map_t *map, const char *name);
*/
const char *enum_to_name(const enum_map_t *map, int value);
/*
Create a UNIX stream socket at the given path.
Returns the socket fd, -1 on failure. The function takes care of
printing error messages on failure.
The socket has the CLOEXEC flag set.
*/
int mksock(const char *path, int flags);
/* print a default version info and license string */
NORETURN void print_version(const char *program);

50
lib/init/opensock.c
View file

@ -1,50 +0,0 @@
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* Copyright (C) 2018 - David Oberhollenzer
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include "telinit.h"
int opensock(void)
{
struct sockaddr_un un;
int fd;
fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd < 0) {
perror("socket");
return -1;
}
memset(&un, 0, sizeof(un));
un.sun_family = AF_UNIX;
strcpy(un.sun_path, INITSOCK);
if (connect(fd, (struct sockaddr *)&un, sizeof(un))) {
perror("connect: " INITSOCK);
close(fd);
return -1;
}
return fd;
}

84
lib/util/mksock.c
View file

@ -1,84 +0,0 @@
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* Copyright (C) 2018 - David Oberhollenzer
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/un.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <stdio.h>
#include <errno.h>
#include "util.h"
int mksock(const char *path, int flags)
{
struct sockaddr_un un;
const char *errmsg;
int fd, type;
type = (flags & SOCK_FLAG_DGRAM) ? SOCK_DGRAM : SOCK_STREAM;
fd = socket(AF_UNIX, type | SOCK_CLOEXEC, 0);
if (fd < 0) {
perror("socket");
return -1;
}
memset(&un, 0, sizeof(un));
un.sun_family = AF_UNIX;
strcpy(un.sun_path, path);
if (bind(fd, (struct sockaddr *)&un, sizeof(un))) {
errmsg ="bind";
goto fail_errno;
}
if (flags & SOCK_FLAG_ROOT_ONLY) {
if (chown(path, 0, 0)) {
errmsg = "chown";
goto fail_errno;
}
if (chmod(path, 0770)) {
errmsg = "chmod";
goto fail_errno;
}
} else if (flags & SOCK_FLAG_EVERYONE) {
if (chmod(path, 0777)) {
errmsg = "chmod";
goto fail_errno;
}
}
if (!(flags & SOCK_FLAG_DGRAM)) {
if (listen(fd, 10)) {
errmsg = "listen";
goto fail_errno;
}
}
return fd;
fail_errno:
fprintf(stderr, "%s: %s: %s\n", path, errmsg, strerror(errno));
close(fd);
unlink(path);
return -1;
}