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ota ops: Verify partition argument passed to esp_ota_begin()

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This commit is contained in:
Angus Gratton
2017-02-20 16:02:29 +11:00
parent 25f739c183
commit 902382f622
4 changed files with 91 additions and 27 deletions
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22
components/spi_flash/partition.c
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@@ -200,6 +200,28 @@ const esp_partition_t* esp_partition_get(esp_partition_iterator_t iterator)
return iterator->info;
}
const esp_partition_t *esp_partition_verify(const esp_partition_t *partition)
{
assert(partition != NULL);
const char *label = (strlen(partition->label) > 0) ? partition->label : NULL;
esp_partition_iterator_t it = esp_partition_find(partition->type,
partition->subtype,
label);
while (it != NULL) {
const esp_partition_t *p = esp_partition_get(it);
/* Can't memcmp() whole structure here as padding contents may be different */
if (p->address == partition->address
&& partition->size == p->size
&& partition->encrypted == p->encrypted) {
esp_partition_iterator_release(it);
return p;
}
it = esp_partition_next(it);
}
esp_partition_iterator_release(it);
return NULL;
}
esp_err_t esp_partition_read(const esp_partition_t* partition,
size_t src_offset, void* dst, size_t size)
{