chiark
/
gitweb
/
~ianmdlvl
/
elogind.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
remove unused includes
[elogind.git]
/
src
/
udev
/
udev-ctrl.c
diff --git
a/src/udev/udev-ctrl.c
b/src/udev/udev-ctrl.c
index 74bbd3a99eade7b908ed3524125a7f3efee7124a..c0c5981db8c5a3a1e9619bdaa770d8afeaa9973c 100644
(file)
--- a/
src/udev/udev-ctrl.c
+++ b/
src/udev/udev-ctrl.c
@@
-10,13
+10,11
@@
*/
#include <errno.h>
*/
#include <errno.h>
-#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <unistd.h>
-#include <sys/types.h>
-#include <sys/poll.h>
+#include <poll.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/socket.h>
#include <sys/un.h>
@@
-70,10
+68,10
@@
struct udev_ctrl_connection {
int sock;
};
int sock;
};
-struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd)
-{
+struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd) {
struct udev_ctrl *uctrl;
const int on = 1;
struct udev_ctrl *uctrl;
const int on = 1;
+ int r;
uctrl = new0(struct udev_ctrl, 1);
if (uctrl == NULL)
uctrl = new0(struct udev_ctrl, 1);
if (uctrl == NULL)
@@
-84,7
+82,7
@@
struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd)
if (fd < 0) {
uctrl->sock = socket(AF_LOCAL, SOCK_SEQPACKET|SOCK_NONBLOCK|SOCK_CLOEXEC, 0);
if (uctrl->sock < 0) {
if (fd < 0) {
uctrl->sock = socket(AF_LOCAL, SOCK_SEQPACKET|SOCK_NONBLOCK|SOCK_CLOEXEC, 0);
if (uctrl->sock < 0) {
- log_error
(
"error getting socket: %m");
+ log_error
_errno(errno,
"error getting socket: %m");
udev_ctrl_unref(uctrl);
return NULL;
}
udev_ctrl_unref(uctrl);
return NULL;
}
@@
-92,7
+90,9
@@
struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd)
uctrl->bound = true;
uctrl->sock = fd;
}
uctrl->bound = true;
uctrl->sock = fd;
}
- setsockopt(uctrl->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
+ r = setsockopt(uctrl->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
+ if (r < 0)
+ log_warning_errno(errno, "could not set SO_PASSCRED: %m");
uctrl->saddr.sun_family = AF_LOCAL;
strscpy(uctrl->saddr.sun_path, sizeof(uctrl->saddr.sun_path), "/run/udev/control");
uctrl->saddr.sun_family = AF_LOCAL;
strscpy(uctrl->saddr.sun_path, sizeof(uctrl->saddr.sun_path), "/run/udev/control");
@@
-100,13
+100,11
@@
struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd)
return uctrl;
}
return uctrl;
}
-struct udev_ctrl *udev_ctrl_new(struct udev *udev)
-{
+struct udev_ctrl *udev_ctrl_new(struct udev *udev) {
return udev_ctrl_new_from_fd(udev, -1);
}
return udev_ctrl_new_from_fd(udev, -1);
}
-int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl)
-{
+int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl) {
int err;
if (!uctrl->bound) {
int err;
if (!uctrl->bound) {
@@
-118,14
+116,14
@@
int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl)
if (err < 0) {
err = -errno;
if (err < 0) {
err = -errno;
- log_error
(
"bind failed: %m");
+ log_error
_errno(errno,
"bind failed: %m");
return err;
}
err = listen(uctrl->sock, 0);
if (err < 0) {
err = -errno;
return err;
}
err = listen(uctrl->sock, 0);
if (err < 0) {
err = -errno;
- log_error
(
"listen failed: %m");
+ log_error
_errno(errno,
"listen failed: %m");
return err;
}
return err;
}
@@
-135,21
+133,18
@@
int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl)
return 0;
}
return 0;
}
-struct udev *udev_ctrl_get_udev(struct udev_ctrl *uctrl)
-{
+struct udev *udev_ctrl_get_udev(struct udev_ctrl *uctrl) {
return uctrl->udev;
}
return uctrl->udev;
}
-static struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl)
-{
+static struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl) {
if (uctrl == NULL)
return NULL;
uctrl->refcount++;
return uctrl;
}
if (uctrl == NULL)
return NULL;
uctrl->refcount++;
return uctrl;
}
-struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl)
-{
+struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl) {
if (uctrl == NULL)
return NULL;
uctrl->refcount--;
if (uctrl == NULL)
return NULL;
uctrl->refcount--;
@@
-161,8
+156,7
@@
struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl)
return NULL;
}
return NULL;
}
-int udev_ctrl_cleanup(struct udev_ctrl *uctrl)
-{
+int udev_ctrl_cleanup(struct udev_ctrl *uctrl) {
if (uctrl == NULL)
return 0;
if (uctrl->cleanup_socket)
if (uctrl == NULL)
return 0;
if (uctrl->cleanup_socket)
@@
-170,15
+164,13
@@
int udev_ctrl_cleanup(struct udev_ctrl *uctrl)
return 0;
}
return 0;
}
-int udev_ctrl_get_fd(struct udev_ctrl *uctrl)
-{
+int udev_ctrl_get_fd(struct udev_ctrl *uctrl) {
if (uctrl == NULL)
return -EINVAL;
return uctrl->sock;
}
if (uctrl == NULL)
return -EINVAL;
return uctrl->sock;
}
-struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl)
-{
+struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl) {
struct udev_ctrl_connection *conn;
struct ucred ucred = {};
const int on = 1;
struct udev_ctrl_connection *conn;
struct ucred ucred = {};
const int on = 1;
@@
-193,23
+185,26
@@
struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl)
conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK);
if (conn->sock < 0) {
if (errno != EINTR)
conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK);
if (conn->sock < 0) {
if (errno != EINTR)
- log_error
(
"unable to receive ctrl connection: %m");
+ log_error
_errno(errno,
"unable to receive ctrl connection: %m");
goto err;
}
/* check peer credential of connection */
r = getpeercred(conn->sock, &ucred);
if (r < 0) {
goto err;
}
/* check peer credential of connection */
r = getpeercred(conn->sock, &ucred);
if (r < 0) {
- log_error
("unable to receive credentials of ctrl connection: %s", strerror(-r)
);
+ log_error
_errno(r, "unable to receive credentials of ctrl connection: %m"
);
goto err;
}
if (ucred.uid > 0) {
goto err;
}
if (ucred.uid > 0) {
- log_error("sender uid=
%i
, message ignored", ucred.uid);
+ log_error("sender uid=
"UID_FMT"
, message ignored", ucred.uid);
goto err;
}
/* enable receiving of the sender credentials in the messages */
goto err;
}
/* enable receiving of the sender credentials in the messages */
- setsockopt(conn->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
+ r = setsockopt(conn->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
+ if (r < 0)
+ log_warning_errno(errno, "could not set SO_PASSCRED: %m");
+
udev_ctrl_ref(uctrl);
return conn;
err:
udev_ctrl_ref(uctrl);
return conn;
err:
@@
-219,16
+214,14
@@
err:
return NULL;
}
return NULL;
}
-struct udev_ctrl_connection *udev_ctrl_connection_ref(struct udev_ctrl_connection *conn)
-{
+struct udev_ctrl_connection *udev_ctrl_connection_ref(struct udev_ctrl_connection *conn) {
if (conn == NULL)
return NULL;
conn->refcount++;
return conn;
}
if (conn == NULL)
return NULL;
conn->refcount++;
return conn;
}
-struct udev_ctrl_connection *udev_ctrl_connection_unref(struct udev_ctrl_connection *conn)
-{
+struct udev_ctrl_connection *udev_ctrl_connection_unref(struct udev_ctrl_connection *conn) {
if (conn == NULL)
return NULL;
conn->refcount--;
if (conn == NULL)
return NULL;
conn->refcount--;
@@
-241,8
+234,7
@@
struct udev_ctrl_connection *udev_ctrl_connection_unref(struct udev_ctrl_connect
return NULL;
}
return NULL;
}
-static int ctrl_send(struct udev_ctrl *uctrl, enum udev_ctrl_msg_type type, int intval, const char *buf, int timeout)
-{
+static int ctrl_send(struct udev_ctrl *uctrl, enum udev_ctrl_msg_type type, int intval, const char *buf, int timeout) {
struct udev_ctrl_msg_wire ctrl_msg_wire;
int err = 0;
struct udev_ctrl_msg_wire ctrl_msg_wire;
int err = 0;
@@
-296,48
+288,39
@@
out:
return err;
}
return err;
}
-int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority, int timeout)
-{
+int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority, int timeout) {
return ctrl_send(uctrl, UDEV_CTRL_SET_LOG_LEVEL, priority, NULL, timeout);
}
return ctrl_send(uctrl, UDEV_CTRL_SET_LOG_LEVEL, priority, NULL, timeout);
}
-int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl, int timeout)
-{
+int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl, int timeout) {
return ctrl_send(uctrl, UDEV_CTRL_STOP_EXEC_QUEUE, 0, NULL, timeout);
}
return ctrl_send(uctrl, UDEV_CTRL_STOP_EXEC_QUEUE, 0, NULL, timeout);
}
-int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl, int timeout)
-{
+int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl, int timeout) {
return ctrl_send(uctrl, UDEV_CTRL_START_EXEC_QUEUE, 0, NULL, timeout);
}
return ctrl_send(uctrl, UDEV_CTRL_START_EXEC_QUEUE, 0, NULL, timeout);
}
-int udev_ctrl_send_reload(struct udev_ctrl *uctrl, int timeout)
-{
+int udev_ctrl_send_reload(struct udev_ctrl *uctrl, int timeout) {
return ctrl_send(uctrl, UDEV_CTRL_RELOAD, 0, NULL, timeout);
}
return ctrl_send(uctrl, UDEV_CTRL_RELOAD, 0, NULL, timeout);
}
-int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key, int timeout)
-{
+int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key, int timeout) {
return ctrl_send(uctrl, UDEV_CTRL_SET_ENV, 0, key, timeout);
}
return ctrl_send(uctrl, UDEV_CTRL_SET_ENV, 0, key, timeout);
}
-int udev_ctrl_send_set_children_max(struct udev_ctrl *uctrl, int count, int timeout)
-{
+int udev_ctrl_send_set_children_max(struct udev_ctrl *uctrl, int count, int timeout) {
return ctrl_send(uctrl, UDEV_CTRL_SET_CHILDREN_MAX, count, NULL, timeout);
}
return ctrl_send(uctrl, UDEV_CTRL_SET_CHILDREN_MAX, count, NULL, timeout);
}
-int udev_ctrl_send_ping(struct udev_ctrl *uctrl, int timeout)
-{
+int udev_ctrl_send_ping(struct udev_ctrl *uctrl, int timeout) {
return ctrl_send(uctrl, UDEV_CTRL_PING, 0, NULL, timeout);
}
return ctrl_send(uctrl, UDEV_CTRL_PING, 0, NULL, timeout);
}
-int udev_ctrl_send_exit(struct udev_ctrl *uctrl, int timeout)
-{
+int udev_ctrl_send_exit(struct udev_ctrl *uctrl, int timeout) {
return ctrl_send(uctrl, UDEV_CTRL_EXIT, 0, NULL, timeout);
}
return ctrl_send(uctrl, UDEV_CTRL_EXIT, 0, NULL, timeout);
}
-struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn)
-{
+struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn) {
struct udev_ctrl_msg *uctrl_msg;
ssize_t size;
struct cmsghdr *cmsg;
struct udev_ctrl_msg *uctrl_msg;
ssize_t size;
struct cmsghdr *cmsg;
@@
-376,7
+359,7
@@
struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn)
goto err;
} else {
if (!(pfd[0].revents & POLLIN)) {
goto err;
} else {
if (!(pfd[0].revents & POLLIN)) {
- log_error
(
"ctrl connection error: %m");
+ log_error
_errno(errno,
"ctrl connection error: %m");
goto err;
}
}
goto err;
}
}
@@
-389,9
+372,12
@@
struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn)
size = recvmsg(conn->sock, &smsg, 0);
if (size < 0) {
size = recvmsg(conn->sock, &smsg, 0);
if (size < 0) {
- log_error
(
"unable to receive ctrl message: %m");
+ log_error
_errno(errno,
"unable to receive ctrl message: %m");
goto err;
}
goto err;
}
+
+ cmsg_close_all(&smsg);
+
cmsg = CMSG_FIRSTHDR(&smsg);
cred = (struct ucred *) CMSG_DATA(cmsg);
cmsg = CMSG_FIRSTHDR(&smsg);
cred = (struct ucred *) CMSG_DATA(cmsg);
@@
-401,7
+387,7
@@
struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn)
}
if (cred->uid != 0) {
}
if (cred->uid != 0) {
- log_error("sender uid=
%i
, message ignored", cred->uid);
+ log_error("sender uid=
"UID_FMT"
, message ignored", cred->uid);
goto err;
}
goto err;
}
@@
-416,8
+402,7
@@
err:
return NULL;
}
return NULL;
}
-struct udev_ctrl_msg *udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg)
-{
+struct udev_ctrl_msg *udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg) {
if (ctrl_msg == NULL)
return NULL;
ctrl_msg->refcount--;
if (ctrl_msg == NULL)
return NULL;
ctrl_msg->refcount--;
@@
-428,57
+413,49
@@
struct udev_ctrl_msg *udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg)
return NULL;
}
return NULL;
}
-int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg)
-{
+int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg) {
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_LOG_LEVEL)
return ctrl_msg->ctrl_msg_wire.intval;
return -1;
}
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_LOG_LEVEL)
return ctrl_msg->ctrl_msg_wire.intval;
return -1;
}
-int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg)
-{
+int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg) {
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_STOP_EXEC_QUEUE)
return 1;
return -1;
}
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_STOP_EXEC_QUEUE)
return 1;
return -1;
}
-int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg)
-{
+int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg) {
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_START_EXEC_QUEUE)
return 1;
return -1;
}
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_START_EXEC_QUEUE)
return 1;
return -1;
}
-int udev_ctrl_get_reload(struct udev_ctrl_msg *ctrl_msg)
-{
+int udev_ctrl_get_reload(struct udev_ctrl_msg *ctrl_msg) {
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_RELOAD)
return 1;
return -1;
}
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_RELOAD)
return 1;
return -1;
}
-const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg)
-{
+const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg) {
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_ENV)
return ctrl_msg->ctrl_msg_wire.buf;
return NULL;
}
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_ENV)
return ctrl_msg->ctrl_msg_wire.buf;
return NULL;
}
-int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg)
-{
+int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg) {
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_CHILDREN_MAX)
return ctrl_msg->ctrl_msg_wire.intval;
return -1;
}
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_CHILDREN_MAX)
return ctrl_msg->ctrl_msg_wire.intval;
return -1;
}
-int udev_ctrl_get_ping(struct udev_ctrl_msg *ctrl_msg)
-{
+int udev_ctrl_get_ping(struct udev_ctrl_msg *ctrl_msg) {
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_PING)
return 1;
return -1;
}
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_PING)
return 1;
return -1;
}
-int udev_ctrl_get_exit(struct udev_ctrl_msg *ctrl_msg)
-{
+int udev_ctrl_get_exit(struct udev_ctrl_msg *ctrl_msg) {
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_EXIT)
return 1;
return -1;
if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_EXIT)
return 1;
return -1;