343c6452cf
When calling get_full_comm() within system call hooks, current->mm may be null (prctl). A fallback mechanism for current->comm must be added beforehand to prevent null pointer dereferences when accessing mm->arg_start/arg_end. Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
#ifndef __KSU_MANUAL_SU_H
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#define __KSU_MANUAL_SU_H
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#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/version.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 7, 0)
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#define mmap_lock mmap_sem
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#endif
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#define ksu_task_is_dead(t) ((t)->exit_state != 0)
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#define MAX_PENDING 16
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#define REMOVE_DELAY_CALLS 150
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#define MAX_TOKENS 10
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#define KSU_SU_VERIFIED_BIT (1UL << 0)
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#define KSU_TOKEN_LENGTH 32
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#define KSU_TOKEN_ENV_NAME "KSU_AUTH_TOKEN"
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#define KSU_TOKEN_EXPIRE_TIME 150
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#define MANUAL_SU_OP_GENERATE_TOKEN 0
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#define MANUAL_SU_OP_ESCALATE 1
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#define MANUAL_SU_OP_ADD_PENDING 2
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struct pending_uid {
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uid_t uid;
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int use_count;
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int remove_calls;
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};
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struct manual_su_request {
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uid_t target_uid;
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pid_t target_pid;
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char token_buffer[KSU_TOKEN_LENGTH + 1];
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};
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struct ksu_token_entry {
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char token[KSU_TOKEN_LENGTH + 1];
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unsigned long expire_time;
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bool used;
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};
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int ksu_handle_manual_su_request(int option, struct manual_su_request *request);
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bool is_pending_root(uid_t uid);
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void remove_pending_root(uid_t uid);
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#endif
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