Skip to content

L
lxc
Commit 604f0955 by S.Çağlar Onur Committed by Stéphane Graber
Options

reindent src/lxc/af_unix.c

Signed-off-by: 's avatarS.Çağlar Onur <caglar@10ur.org> Acked-by: 's avatarStéphane Graber <stgraber@ubuntu.com>
parent 69aa6655
Showing with 76 additions and 76 deletions
src/lxc/af_unix.c
......@@ -87,7 +87,7 @@ int lxc_abstract_unix_close(int fd)
socklen_t addrlen = sizeof(addr);
if (!getsockname(fd, (struct sockaddr *)&addr, &addrlen) &&
addr.sun_path[0])
addr.sun_path[0])
unlink(addr.sun_path);
close(fd);
......@@ -133,141 +133,141 @@ int lxc_abstract_unix_connect(const char *path)
int lxc_abstract_unix_send_fd(int fd, int sendfd, void *data, size_t size)
{
struct msghdr msg = { 0 };
struct iovec iov;
struct cmsghdr *cmsg;
char cmsgbuf[CMSG_SPACE(sizeof(int))];
char buf[1];
struct msghdr msg = { 0 };
struct iovec iov;
struct cmsghdr *cmsg;
char cmsgbuf[CMSG_SPACE(sizeof(int))];
char buf[1];
int *val;
msg.msg_control = cmsgbuf;
msg.msg_controllen = sizeof(cmsgbuf);
msg.msg_control = cmsgbuf;
msg.msg_controllen = sizeof(cmsgbuf);
cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_RIGHTS;
cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_RIGHTS;
val = (int *)(CMSG_DATA(cmsg));
*val = sendfd;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_name = NULL;
msg.msg_namelen = 0;
iov.iov_base = data ? data : buf;
iov.iov_len = data ? size : sizeof(buf);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
iov.iov_base = data ? data : buf;
iov.iov_len = data ? size : sizeof(buf);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
return sendmsg(fd, &msg, 0);
return sendmsg(fd, &msg, 0);
}
int lxc_abstract_unix_recv_fd(int fd, int *recvfd, void *data, size_t size)
{
struct msghdr msg = { 0 };
struct iovec iov;
struct cmsghdr *cmsg;
char cmsgbuf[CMSG_SPACE(sizeof(int))];
char buf[1];
struct msghdr msg = { 0 };
struct iovec iov;
struct cmsghdr *cmsg;
char cmsgbuf[CMSG_SPACE(sizeof(int))];
char buf[1];
int ret, *val;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_control = cmsgbuf;
msg.msg_controllen = sizeof(cmsgbuf);
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_control = cmsgbuf;
msg.msg_controllen = sizeof(cmsgbuf);
iov.iov_base = data ? data : buf;
iov.iov_len = data ? size : sizeof(buf);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
iov.iov_base = data ? data : buf;
iov.iov_len = data ? size : sizeof(buf);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
ret = recvmsg(fd, &msg, 0);
if (ret <= 0)
goto out;
cmsg = CMSG_FIRSTHDR(&msg);
cmsg = CMSG_FIRSTHDR(&msg);
/* if the message is wrong the variable will not be
* filled and the peer will notified about a problem */
*recvfd = -1;
if (cmsg && cmsg->cmsg_len == CMSG_LEN(sizeof(int)) &&
cmsg->cmsg_level == SOL_SOCKET &&
cmsg->cmsg_type == SCM_RIGHTS) {
if (cmsg && cmsg->cmsg_len == CMSG_LEN(sizeof(int)) &&
cmsg->cmsg_level == SOL_SOCKET &&
cmsg->cmsg_type == SCM_RIGHTS) {
val = (int *) CMSG_DATA(cmsg);
*recvfd = *val;
}
*recvfd = *val;
}
out:
return ret;
return ret;
}
int lxc_abstract_unix_send_credential(int fd, void *data, size_t size)
{
struct msghdr msg = { 0 };
struct iovec iov;
struct cmsghdr *cmsg;
struct msghdr msg = { 0 };
struct iovec iov;
struct cmsghdr *cmsg;
struct ucred cred = {
.pid = getpid(),
.uid = getuid(),
.gid = getgid(),
};
char cmsgbuf[CMSG_SPACE(sizeof(cred))];
char buf[1];
char cmsgbuf[CMSG_SPACE(sizeof(cred))];
char buf[1];
msg.msg_control = cmsgbuf;
msg.msg_controllen = sizeof(cmsgbuf);
msg.msg_control = cmsgbuf;
msg.msg_controllen = sizeof(cmsgbuf);
cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_len = CMSG_LEN(sizeof(struct ucred));
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_CREDENTIALS;
cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_len = CMSG_LEN(sizeof(struct ucred));
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_CREDENTIALS;
memcpy(CMSG_DATA(cmsg), &cred, sizeof(cred));
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_name = NULL;
msg.msg_namelen = 0;
iov.iov_base = data ? data : buf;
iov.iov_len = data ? size : sizeof(buf);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
iov.iov_base = data ? data : buf;
iov.iov_len = data ? size : sizeof(buf);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
return sendmsg(fd, &msg, 0);
return sendmsg(fd, &msg, 0);
}
int lxc_abstract_unix_rcv_credential(int fd, void *data, size_t size)
{
struct msghdr msg = { 0 };
struct iovec iov;
struct cmsghdr *cmsg;
struct msghdr msg = { 0 };
struct iovec iov;
struct cmsghdr *cmsg;
struct ucred cred;
char cmsgbuf[CMSG_SPACE(sizeof(cred))];
char buf[1];
char cmsgbuf[CMSG_SPACE(sizeof(cred))];
char buf[1];
int ret;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_control = cmsgbuf;
msg.msg_controllen = sizeof(cmsgbuf);
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_control = cmsgbuf;
msg.msg_controllen = sizeof(cmsgbuf);
iov.iov_base = data ? data : buf;
iov.iov_len = data ? size : sizeof(buf);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
iov.iov_base = data ? data : buf;
iov.iov_len = data ? size : sizeof(buf);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
ret = recvmsg(fd, &msg, 0);
if (ret <= 0)
goto out;
cmsg = CMSG_FIRSTHDR(&msg);
cmsg = CMSG_FIRSTHDR(&msg);
if (cmsg && cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred)) &&
cmsg->cmsg_level == SOL_SOCKET &&
cmsg->cmsg_type == SCM_CREDENTIALS) {
if (cmsg && cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred)) &&
cmsg->cmsg_level == SOL_SOCKET &&
cmsg->cmsg_type == SCM_CREDENTIALS) {
memcpy(&cred, CMSG_DATA(cmsg), sizeof(cred));
if (cred.uid && (cred.uid != getuid() || cred.gid != getgid())) {
INFO("message denied for '%d/%d'", cred.uid, cred.gid);
return -EACCES;
}
}
}
out:
return ret;
return ret;
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment