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revise validation

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This commit is contained in:
Martin Schröder 2016-02-17 23:41:22 +01:00
parent cfcb664e6f
commit 27be0c0c4b
1 changed files with 24 additions and 20 deletions
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40
blob_field.c
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@ -17,7 +17,7 @@ static const int blob_type_minlen[BLOB_FIELD_LAST] = {
}*/
void blob_field_fill_pad(struct blob_field *attr) {
assert(attr);
if(!attr) return;
char *buf = (char *) attr;
int len = blob_field_raw_pad_len(attr);
int delta = len - blob_field_raw_len(attr);
@ -27,7 +27,7 @@ void blob_field_fill_pad(struct blob_field *attr) {
}
void blob_field_set_raw_len(struct blob_field *attr, unsigned int len){
assert(attr);
if(!attr) return;
if(len < sizeof(struct blob_field)) len = sizeof(struct blob_field);
len &= BLOB_FIELD_LEN_MASK;
attr->id_len &= ~cpu_to_be32(BLOB_FIELD_LEN_MASK);
@ -56,8 +56,10 @@ bool blob_field_check_type(const void *ptr, unsigned int len, int type){
}
bool
blob_field_equal(const struct blob_field *a1, const struct blob_field *a2)
{
blob_field_equal(const struct blob_field *a1, const struct blob_field *a2){
if((!a1 || !a2) && (a1 != a2)) return false;
if((!a1 || !a2) && (a1 == a2)) return true;
if (!a1 && !a2)
return true;
@ -78,6 +80,7 @@ void *blob_field_data(const struct blob_field *attr){
struct blob_field *blob_field_copy(struct blob_field *attr){
if(!attr) return NULL;
struct blob_field *ret;
int size = blob_field_raw_pad_len(attr);
@ -91,7 +94,7 @@ struct blob_field *blob_field_copy(struct blob_field *attr){
uint8_t
blob_field_get_u8(const struct blob_field *attr){
if(!attr) return 0;
assert(attr);
return *((uint8_t *) attr->data);
}
@ -102,7 +105,7 @@ void blob_field_set_u8(const struct blob_field *attr, uint8_t val){
uint16_t
blob_field_get_u16(const struct blob_field *attr){
if(!attr) return 0;
assert(attr);
uint16_t *tmp = (uint16_t*)attr->data;
return be16_to_cpu(*tmp);
}
@ -116,7 +119,7 @@ blob_field_set_u16(const struct blob_field *attr, uint16_t val){
uint32_t
blob_field_get_u32(const struct blob_field *attr){
if(!attr) return 0;
assert(attr);
uint32_t *tmp = (uint32_t*)attr->data;
return be32_to_cpu(*tmp);
}
@ -130,7 +133,7 @@ blob_field_set_u32(const struct blob_field *attr, uint32_t val){
uint64_t
blob_field_get_u64(const struct blob_field *attr){
if(!attr) return 0;
assert(attr);
uint32_t *ptr = (uint32_t *) blob_field_data(attr);
uint64_t tmp = ((uint64_t) be32_to_cpu(ptr[0])) << 32;
tmp |= be32_to_cpu(ptr[1]);
@ -139,7 +142,7 @@ blob_field_get_u64(const struct blob_field *attr){
int8_t
blob_field_get_i8(const struct blob_field *attr){
if(!attr) return 0;
assert(attr);
return blob_field_get_u8(attr);
}
@ -151,7 +154,7 @@ blob_field_set_i8(const struct blob_field *attr, int8_t val){
int16_t
blob_field_get_i16(const struct blob_field *attr){
if(!attr) return 0;
assert(attr);
return blob_field_get_u16(attr);
}
@ -163,7 +166,7 @@ blob_field_set_i16(const struct blob_field *attr, int16_t val){
int32_t
blob_field_get_i32(const struct blob_field *attr){
if(!attr) return 0;
assert(attr);
return blob_field_get_u32(attr);
}
@ -175,17 +178,17 @@ blob_field_set_i32(const struct blob_field *attr, int32_t val){
int64_t
blob_field_get_i64(const struct blob_field *attr){
if(!attr) return 0;
assert(attr);
return blob_field_get_u64(attr);
}
float blob_field_get_f32(const struct blob_field *attr){
if(!attr) return 0;
assert(attr);
return unpack754_32(blob_field_get_u32(attr));
}
double blob_field_get_f64(const struct blob_field *attr){
if(!attr) return 0;
assert(attr);
return unpack754_64(blob_field_get_u64(attr));
}
@ -251,6 +254,7 @@ unsigned int blob_field_type(const struct blob_field *attr){
}
void blob_field_set_type(struct blob_field *self, int type){
assert(self);
int id_len = be32_to_cpu(self->id_len);
id_len = (id_len & ~BLOB_FIELD_ID_MASK) | (type << BLOB_FIELD_ID_SHIFT);
self->id_len = cpu_to_be32(id_len);
@ -280,7 +284,7 @@ blob_field_raw_pad_len(const struct blob_field *attr){
}
struct blob_field *blob_field_first_child(const struct blob_field *self){
assert(self);
if(!self) return NULL;
if(blob_field_raw_len(self) <= sizeof(struct blob_field)) return NULL;
return (struct blob_field*)blob_field_data(self);
}
@ -369,12 +373,12 @@ bool _blob_field_validate(struct blob_field *attr, const char *signature, const
}
bool blob_field_validate(struct blob_field *attr, const char *signature){
assert(attr);
if(!attr) return false;
return _blob_field_validate(attr, signature, NULL);
}
bool blob_field_parse(struct blob_field *attr, const char *signature, struct blob_field **out, int out_size){
assert(attr);
if(!attr) return false;
memset(out, 0, sizeof(struct blob_field*) * out_size);
if(!blob_field_validate(attr, signature)) return false;
for(struct blob_field *a = blob_field_first_child(attr); a && out_size; a = blob_field_next_child(attr, a)){
@ -386,7 +390,7 @@ bool blob_field_parse(struct blob_field *attr, const char *signature, struct blo
}
bool blob_field_parse_values(struct blob_field *attr, struct blob_policy *policy, int policy_size){
assert(attr);
if(!attr) return false;
bool valid = true;
if(blob_field_type(attr) == BLOB_FIELD_TABLE){
struct blob_field *key, *value;