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patch_base.cpp
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48 lines (42 loc) · 964 Bytes
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#include "patch_base.h"
PatchBase::PatchBase(const std::vector<char>& file_buf, const KernelSymbolOffset& sym,
const SymbolAnalyze& symbol_analyze) : m_file_buf(file_buf), m_sym(sym), m_symbol_analyze(symbol_analyze) {
}
PatchBase::~PatchBase()
{
}
int PatchBase::get_cred_atomic_usage_len() {
int len = 8;
if (m_symbol_analyze.is_kernel_version_less("6.6.0")) {
len = 4;
}
return len;
}
int PatchBase::get_cred_securebits_padding() {
if (get_cred_atomic_usage_len() == 8) {
return 4;
}
return 0;
}
uint64_t PatchBase::get_cap_ability_max() {
uint64_t cap = 0x3FFFFFFFFF;
if (m_symbol_analyze.is_kernel_version_less("5.8.0")) {
cap = 0x3FFFFFFFFF;
}
else if (m_symbol_analyze.is_kernel_version_less("5.9.0")) {
cap = 0xFFFFFFFFFF;
}
else {
cap = 0x1FFFFFFFFFF;
}
return cap;
}
int PatchBase::get_cap_cnt() {
int cnt = 0;
if (m_symbol_analyze.is_kernel_version_less("4.3.0")) {
cnt = 4;
} else {
cnt = 5;
}
return cnt;
}