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caps: use standard CAP_TO_INDEX/CAP_TO_MASK

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Robert Swiecki 2018-02-17 03:28:10 +01:00
parent 3ee8555b07
commit 0336ab8173
1 changed files with 12 additions and 12 deletions
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24
caps.cc
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@ -138,27 +138,27 @@ static void clearInheritable(cap_user_data_t cap_data) {
}
static bool getPermitted(cap_user_data_t cap_data, unsigned int cap) {
size_t off_byte = cap / (sizeof(cap_data->permitted) * 8);
size_t off_bit = cap % (sizeof(cap_data->permitted) * 8);
return cap_data[off_byte].permitted & (1U << off_bit);
size_t off_byte = CAP_TO_INDEX(cap);
unsigned mask = CAP_TO_MASK(cap);
return cap_data[off_byte].permitted & mask;
}
static bool getEffective(cap_user_data_t cap_data, unsigned int cap) {
size_t off_byte = cap / (sizeof(cap_data->effective) * 8);
size_t off_bit = cap % (sizeof(cap_data->effective) * 8);
return cap_data[off_byte].effective & (1U << off_bit);
size_t off_byte = CAP_TO_INDEX(cap);
unsigned mask = CAP_TO_MASK(cap);
return cap_data[off_byte].effective & mask;
}
static bool getInheritable(cap_user_data_t cap_data, unsigned int cap) {
size_t off_byte = cap / (sizeof(cap_data->inheritable) * 8);
size_t off_bit = cap % (sizeof(cap_data->inheritable) * 8);
return cap_data[off_byte].inheritable & (1U << off_bit);
size_t off_byte = CAP_TO_INDEX(cap);
unsigned mask = CAP_TO_MASK(cap);
return cap_data[off_byte].inheritable & mask;
}
static void setInheritable(cap_user_data_t cap_data, unsigned int cap) {
size_t off_byte = cap / (sizeof(cap_data->inheritable) * 8);
size_t off_bit = cap % (sizeof(cap_data->inheritable) * 8);
cap_data[off_byte].inheritable |= (1U << off_bit);
size_t off_byte = CAP_TO_INDEX(cap);
unsigned mask = CAP_TO_MASK(cap);
cap_data[off_byte].inheritable |= mask;
}
#if !defined(PR_CAP_AMBIENT)