Contributors: 20
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Linus Torvalds (pre-git) |
250 |
44.56% |
7 |
16.28% |
| Eric W. Biedermann |
123 |
21.93% |
4 |
9.30% |
| Catherine Zhang |
56 |
9.98% |
2 |
4.65% |
| Kuniyuki Iwashima |
36 |
6.42% |
7 |
16.28% |
| Eric Dumazet |
31 |
5.53% |
3 |
6.98% |
| Christian Brauner |
20 |
3.57% |
2 |
4.65% |
| Kees Cook |
7 |
1.25% |
3 |
6.98% |
| Alexander Mikhalitsyn |
6 |
1.07% |
2 |
4.65% |
| Hannes Frederic Sowa |
5 |
0.89% |
1 |
2.33% |
| Pavel Emelyanov |
5 |
0.89% |
1 |
2.33% |
| Ingo Molnar |
4 |
0.71% |
2 |
4.65% |
| Christoph Hellwig |
3 |
0.53% |
1 |
2.33% |
| Matthew Wilcox |
3 |
0.53% |
1 |
2.33% |
| Serge E. Hallyn |
3 |
0.53% |
1 |
2.33% |
| David S. Miller |
2 |
0.36% |
1 |
2.33% |
| Benjamin LaHaise |
2 |
0.36% |
1 |
2.33% |
| Peter Chubb |
2 |
0.36% |
1 |
2.33% |
| Linus Torvalds |
1 |
0.18% |
1 |
2.33% |
| Greg Kroah-Hartman |
1 |
0.18% |
1 |
2.33% |
| Al Viro |
1 |
0.18% |
1 |
2.33% |
| Total |
561 |
|
43 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_NET_SCM_H
#define __LINUX_NET_SCM_H
#include <linux/limits.h>
#include <linux/net.h>
#include <linux/cred.h>
#include <linux/file.h>
#include <linux/security.h>
#include <linux/pid.h>
#include <linux/nsproxy.h>
#include <linux/sched/signal.h>
#include <net/compat.h>
/* Well, we should have at least one descriptor open
* to accept passed FDs 8)
*/
#define SCM_MAX_FD 253
struct scm_creds {
u32 pid;
kuid_t uid;
kgid_t gid;
};
#ifdef CONFIG_UNIX
struct unix_edge;
#endif
struct scm_fp_list {
short count;
short count_unix;
short max;
#ifdef CONFIG_UNIX
bool inflight;
bool dead;
struct list_head vertices;
struct unix_edge *edges;
#endif
struct user_struct *user;
struct file *fp[SCM_MAX_FD];
};
struct scm_cookie {
struct pid *pid; /* Skb credentials */
struct scm_fp_list *fp; /* Passed files */
struct scm_creds creds; /* Skb credentials */
#ifdef CONFIG_SECURITY_NETWORK
u32 secid; /* Passed security ID */
#endif
};
void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm);
void scm_detach_fds_compat(struct msghdr *msg, struct scm_cookie *scm);
int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm);
void __scm_destroy(struct scm_cookie *scm);
struct scm_fp_list *scm_fp_dup(struct scm_fp_list *fpl);
#ifdef CONFIG_SECURITY_NETWORK
static __inline__ void unix_get_peersec_dgram(struct socket *sock, struct scm_cookie *scm)
{
security_socket_getpeersec_dgram(sock, NULL, &scm->secid);
}
#else
static __inline__ void unix_get_peersec_dgram(struct socket *sock, struct scm_cookie *scm)
{ }
#endif /* CONFIG_SECURITY_NETWORK */
static __inline__ void scm_set_cred(struct scm_cookie *scm,
struct pid *pid, kuid_t uid, kgid_t gid)
{
scm->pid = get_pid(pid);
scm->creds.pid = pid_vnr(pid);
scm->creds.uid = uid;
scm->creds.gid = gid;
}
static __inline__ void scm_destroy_cred(struct scm_cookie *scm)
{
put_pid(scm->pid);
scm->pid = NULL;
}
static __inline__ void scm_destroy(struct scm_cookie *scm)
{
scm_destroy_cred(scm);
if (scm->fp)
__scm_destroy(scm);
}
static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
struct scm_cookie *scm, bool forcecreds)
{
memset(scm, 0, sizeof(*scm));
scm->creds.uid = INVALID_UID;
scm->creds.gid = INVALID_GID;
if (forcecreds)
scm_set_cred(scm, task_tgid(current), current_uid(), current_gid());
unix_get_peersec_dgram(sock, scm);
if (msg->msg_controllen <= 0)
return 0;
return __scm_send(sock, msg, scm);
}
void scm_recv(struct socket *sock, struct msghdr *msg,
struct scm_cookie *scm, int flags);
void scm_recv_unix(struct socket *sock, struct msghdr *msg,
struct scm_cookie *scm, int flags);
static inline int scm_recv_one_fd(struct file *f, int __user *ufd,
unsigned int flags)
{
if (!ufd)
return -EFAULT;
return receive_fd(f, ufd, flags);
}
#endif /* __LINUX_NET_SCM_H */