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kernel: remove ksu_compat_{open,read,write} because we're in the right context now

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Co-authored-by: weishu <twsxtd@gmail.com>
This commit is contained in:
weishu
2025-11-08 08:31:02 +00:00
committed by ShirkNeko
parent 4fc369a059
commit e171ca15cb
9 changed files with 103 additions and 204 deletions
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20
kernel/dynamic_manager.c
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@@ -233,23 +233,23 @@ static void do_save_dynamic_manager(struct work_struct *work)
return;
}
fp = ksu_filp_open_compat(KERNEL_SU_DYNAMIC_MANAGER, O_WRONLY | O_CREAT | O_TRUNC, 0644);
fp = filp_open(KERNEL_SU_DYNAMIC_MANAGER, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (IS_ERR(fp)) {
pr_err("save_dynamic_manager create file failed: %ld\n", PTR_ERR(fp));
return;
}
if (ksu_kernel_write_compat(fp, &magic, sizeof(magic), &off) != sizeof(magic)) {
if (kernel_write(fp, &magic, sizeof(magic), &off) != sizeof(magic)) {
pr_err("save_dynamic_manager write magic failed.\n");
goto exit;
}
if (ksu_kernel_write_compat(fp, &version, sizeof(version), &off) != sizeof(version)) {
if (kernel_write(fp, &version, sizeof(version), &off) != sizeof(version)) {
pr_err("save_dynamic_manager write version failed.\n");
goto exit;
}
if (ksu_kernel_write_compat(fp, &config_to_save, sizeof(config_to_save), &off) != sizeof(config_to_save)) {
if (kernel_write(fp, &config_to_save, sizeof(config_to_save), &off) != sizeof(config_to_save)) {
pr_err("save_dynamic_manager write config failed.\n");
goto exit;
}
@@ -271,7 +271,7 @@ static void do_load_dynamic_manager(struct work_struct *work)
unsigned long flags;
int i;
fp = ksu_filp_open_compat(KERNEL_SU_DYNAMIC_MANAGER, O_RDONLY, 0);
fp = filp_open(KERNEL_SU_DYNAMIC_MANAGER, O_RDONLY, 0);
if (IS_ERR(fp)) {
if (PTR_ERR(fp) == -ENOENT) {
pr_info("No saved dynamic manager config found\n");
@@ -281,20 +281,20 @@ static void do_load_dynamic_manager(struct work_struct *work)
return;
}
if (ksu_kernel_read_compat(fp, &magic, sizeof(magic), &off) != sizeof(magic) ||
if (kernel_read(fp, &magic, sizeof(magic), &off) != sizeof(magic) ||
magic != DYNAMIC_MANAGER_FILE_MAGIC) {
pr_err("dynamic manager file invalid magic: %x!\n", magic);
goto exit;
}
if (ksu_kernel_read_compat(fp, &version, sizeof(version), &off) != sizeof(version)) {
if (kernel_read(fp, &version, sizeof(version), &off) != sizeof(version)) {
pr_err("dynamic manager read version failed\n");
goto exit;
}
pr_info("dynamic manager file version: %d\n", version);
ret = ksu_kernel_read_compat(fp, &loaded_config, sizeof(loaded_config), &off);
ret = kernel_read(fp, &loaded_config, sizeof(loaded_config), &off);
if (ret <= 0) {
pr_info("load_dynamic_manager read err: %zd\n", ret);
goto exit;
@@ -348,14 +348,14 @@ static void do_clear_dynamic_manager(struct work_struct *work)
memset(zero_buffer, 0, sizeof(zero_buffer));
fp = ksu_filp_open_compat(KERNEL_SU_DYNAMIC_MANAGER, O_WRONLY | O_CREAT | O_TRUNC, 0644);
fp = filp_open(KERNEL_SU_DYNAMIC_MANAGER, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (IS_ERR(fp)) {
pr_err("clear_dynamic_manager create file failed: %ld\n", PTR_ERR(fp));
return;
}
// Write null bytes to overwrite the file content
if (ksu_kernel_write_compat(fp, zero_buffer, sizeof(zero_buffer), &off) != sizeof(zero_buffer)) {
if (kernel_write(fp, zero_buffer, sizeof(zero_buffer), &off) != sizeof(zero_buffer)) {
pr_err("clear_dynamic_manager write null bytes failed.\n");
} else {
pr_info("Dynamic sign config file cleared successfully\n");