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sanity check on buffer size

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This commit is contained in:
Jacob Barthelmeh
2016-07-19 15:57:09 -06:00
parent 01ecc64052
commit 1f5b6d4e66
1 changed files with 6 additions and 0 deletions
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6
src/ssl.c
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@@ -682,6 +682,9 @@ int wolfSSL_CTX_load_static_memory(WOLFSSL_CTX** ctx, wolfSSL_method_func method
}
if (*ctx == NULL) {
if (sizeof(WOLFSSL_HEAP) + sizeof(WOLFSSL_HEAP_HINT) > sz - idx) {
return BUFFER_E; /* not enough memory for structures */
}
heap = (WOLFSSL_HEAP*)buf;
idx += sizeof(WOLFSSL_HEAP);
if (wolfSSL_init_memory_heap(heap) != SSL_SUCCESS) {
@@ -693,6 +696,9 @@ int wolfSSL_CTX_load_static_memory(WOLFSSL_CTX** ctx, wolfSSL_method_func method
hint->memory = heap;
}
else if ((*ctx)->heap == NULL) {
if (sizeof(WOLFSSL_HEAP) + sizeof(WOLFSSL_HEAP_HINT) > sz - idx) {
return BUFFER_E; /* not enough memory for structures */
}
heap = (WOLFSSL_HEAP*)buf;
idx += sizeof(WOLFSSL_HEAP);
if (wolfSSL_init_memory_heap(heap) != SSL_SUCCESS) {