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add support for file type BIO to PEM read private key

This commit is contained in:
Jacob Barthelmeh 2017-03-30 13:25:00 -06:00
parent 90179e554e
commit 8db170250e
1 changed files with 37 additions and 0 deletions
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37
src/ssl.c
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@ -25918,6 +25918,43 @@ WOLFSSL_EVP_PKEY* wolfSSL_PEM_read_bio_PrivateKey(WOLFSSL_BIO* bio,
return NULL;
}
}
else if (bio->type == WOLFSSL_BIO_FILE) {
int sz = 100; /* read from file by 100 byte chuncks */
int idx = 0;
char* tmp = (char*)XMALLOC(sz, bio->heap, DYNAMIC_TYPE_OPENSSL);
memSz = 0;
if (tmp == NULL) {
WOLFSSL_MSG("Memory error");
return NULL;
}
while ((sz = wolfSSL_BIO_read(bio, tmp, sz)) > 0) {
if (memSz + sz < 0) {
/* sanity check */
break;
}
mem = (char*)XREALLOC(mem, memSz + sz, bio->heap,
DYNAMIC_TYPE_OPENSSL);
if (mem == NULL) {
WOLFSSL_MSG("Memory error");
XFREE(tmp, bio->heap, DYNAMIC_TYPE_OPENSSL);
return NULL;
}
XMEMCPY(mem + idx, tmp, sz);
memSz += sz;
idx += sz;
sz = 100; /* read another 100 byte chunck from file */
}
XFREE(tmp, bio->heap, DYNAMIC_TYPE_OPENSSL);
if (memSz <= 0) {
WOLFSSL_MSG("No data to read from bio");
if (mem != NULL) {
XFREE(mem, bio->heap, DYNAMIC_TYPE_OPENSSL);
}
return NULL;
}
}
else {
WOLFSSL_MSG("No data to read from bio");
return NULL;