diff options
Diffstat (limited to 'include/linux/proc_fs.h')
| -rw-r--r-- | include/linux/proc_fs.h | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 45c05fd9c99d..d1eed1b43651 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -42,6 +42,34 @@ struct proc_ops { unsigned long (*proc_get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long); } __randomize_layout; +/* definitions for hide_pid field */ +enum proc_hidepid { + HIDEPID_OFF = 0, + HIDEPID_NO_ACCESS = 1, + HIDEPID_INVISIBLE = 2, + HIDEPID_NOT_PTRACEABLE = 4, /* Limit pids to only ptraceable pids */ +}; + +/* definitions for proc mount option pidonly */ +enum proc_pidonly { + PROC_PIDONLY_OFF = 0, + PROC_PIDONLY_ON = 1, +}; + +struct proc_fs_info { + struct pid_namespace *pid_ns; + struct dentry *proc_self; /* For /proc/self */ + struct dentry *proc_thread_self; /* For /proc/thread-self */ + kgid_t pid_gid; + enum proc_hidepid hide_pid; + enum proc_pidonly pidonly; +}; + +static inline struct proc_fs_info *proc_sb_info(struct super_block *sb) +{ + return sb->s_fs_info; +} + #ifdef CONFIG_PROC_FS typedef int (*proc_write_t)(struct file *, char *, size_t); @@ -105,6 +133,9 @@ struct proc_dir_entry *proc_create_net_single_write(const char *name, umode_t mo void *data); extern struct pid *tgid_pidfd_to_pid(const struct file *file); +extern int bpf_iter_init_seq_net(void *priv_data); +extern void bpf_iter_fini_seq_net(void *priv_data); + #ifdef CONFIG_PROC_PID_ARCH_STATUS /* * The architecture which selects CONFIG_PROC_PID_ARCH_STATUS must @@ -174,9 +205,11 @@ int open_related_ns(struct ns_common *ns, struct ns_common *(*get_ns)(struct ns_common *ns)); /* get the associated pid namespace for a file in procfs */ -static inline struct pid_namespace *proc_pid_ns(const struct inode *inode) +static inline struct pid_namespace *proc_pid_ns(struct super_block *sb) { - return inode->i_sb->s_fs_info; + return proc_sb_info(sb)->pid_ns; } +bool proc_ns_file(const struct file *file); + #endif /* _LINUX_PROC_FS_H */ |