42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
#ifndef __KSU_H_KERNEL_COMPAT
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#define __KSU_H_KERNEL_COMPAT
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#include "linux/fs.h"
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#include "linux/key.h"
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#include "linux/version.h"
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extern struct key *init_session_keyring;
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extern ssize_t ksu_kernel_read_compat(struct file *p, void *buf, size_t count, loff_t *pos);
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extern ssize_t ksu_kernel_write_compat(struct file *p, const void *buf, size_t count, loff_t *pos);
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)
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static inline int install_session_keyring(struct key *keyring)
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{
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struct cred *new;
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int ret;
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new = prepare_creds();
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if (!new)
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return -ENOMEM;
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ret = install_session_keyring_to_cred(new, keyring);
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if (ret < 0) {
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abort_creds(new);
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return ret;
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}
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return commit_creds(new);
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}
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#define KWORKER_INSTALL_KEYRING() \
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static bool keyring_installed = false; \
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if (init_session_keyring != NULL && !keyring_installed) \
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{ \
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install_session_keyring(init_session_keyring); \
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keyring_installed = true; \
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}
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#else
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#define KWORKER_INSTALL_KEYRING()
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#endif
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#endif |