100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
#include <linux/export.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/fs.h>
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#include <linux/kernfs.h>
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#include <linux/file.h>
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <linux/uaccess.h>
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#include <linux/elf.h>
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#include <linux/kallsyms.h>
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#include <linux/version.h>
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#include <linux/list.h>
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#include <linux/spinlock.h>
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#include <linux/rcupdate.h>
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#include <asm/elf.h> /* 包含 ARM64 重定位类型定义 */
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#include <linux/vmalloc.h>
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#include <linux/mm.h>
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#include <linux/string.h>
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#include <asm/cacheflush.h>
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#include <linux/module.h>
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#include <linux/vmalloc.h>
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#include <linux/set_memory.h>
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#include <linux/version.h>
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#include <linux/export.h>
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#include <linux/slab.h>
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#include "kpm.h"
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#include "compact.h"
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unsigned long sukisu_compact_find_symbol(const char* name);
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// ======================================================================
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const char* kver = "0.10";
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struct CompactAddressSymbol {
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const char* symbol_name;
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void* addr;
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};
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struct CompactAliasSymbol {
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const char* symbol_name;
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const char* compact_symbol_name;
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};
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struct CompactAddressSymbol address_symbol [] = {
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{ "kallsyms_lookup_name", &kallsyms_lookup_name },
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{ "compact_find_symbol", &sukisu_compact_find_symbol },
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{ "compact_copy_to_user", ©_to_user },
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{ "compact_strncpy_from_user", &strncpy_from_user },
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{ "kver", &kver },
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{ "is_run_in_sukisu_ultra", (void*)1 }
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};
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struct CompactAliasSymbol alias_symbol[] = {
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{"kf__strncat", "strncat"},
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{"kf__strlen", "strlen" },
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{"kf__strcpy", "strcpy"},
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{"compact_copy_to_user", "__arch_copy_to_user"}
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};
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unsigned long sukisu_compact_find_symbol(const char* name) {
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int i;
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unsigned long addr;
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// 先自己在地址表部分查出来
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for(i = 0; i < (sizeof(address_symbol) / sizeof(struct CompactAddressSymbol)); i++) {
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struct CompactAddressSymbol* symbol = &address_symbol[i];
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if(strcmp(name, symbol->symbol_name) == 0) {
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return (unsigned long) symbol->addr;
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}
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}
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/* 如果符号名以 "kf__" 开头，尝试解析去掉前缀的部分 */
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if (strncmp(name, "kf__", 4) == 0) {
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const char *real_name = name + 4; // 去掉 "kf__"
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addr = (unsigned long)kallsyms_lookup_name(real_name);
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if (addr) {
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return addr;
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}
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}
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// 通过内核来查
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addr = kallsyms_lookup_name(name);
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if(addr) {
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return addr;
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}
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// 查不到就查查兼容的符号
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for(i = 0; i < (sizeof(alias_symbol) / sizeof(struct CompactAliasSymbol)); i++) {
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struct CompactAliasSymbol* symbol = &alias_symbol[i];
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if(strcmp(name, symbol->symbol_name) == 0) {
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addr = kallsyms_lookup_name(symbol->compact_symbol_name);
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if(addr)
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return addr;
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}
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}
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return 0;
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} |