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check return value

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This commit is contained in:
Jacob Barthelmeh
2018-07-02 10:10:30 -06:00
parent e204b19923
commit a9ff79e321
1 changed files with 16 additions and 12 deletions
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28
src/ssl.c
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@ -17874,21 +17874,25 @@ WOLFSSL_STACK* wolfSSL_X509_STORE_CTX_get_chain(WOLFSSL_X509_STORE_CTX* ctx)
WOLFSSL_X509* x509 = wolfSSL_get_chain_X509(c, c->count - 1); WOLFSSL_X509* x509 = wolfSSL_get_chain_X509(c, c->count - 1);
if (x509 != NULL) { if (x509 != NULL) {
WOLFSSL_X509* issuer = NULL; WOLFSSL_X509* issuer = NULL;
wolfSSL_X509_STORE_CTX_get1_issuer(&issuer, ctx, x509); if (wolfSSL_X509_STORE_CTX_get1_issuer(&issuer, ctx, x509)
== WOLFSSL_SUCCESS) {
/* check that the certificate being looked up is not self signed /* check that the certificate being looked up is not self
* and that a issuer was found */ * signed and that a issuer was found */
if (issuer != NULL && wolfSSL_X509_NAME_cmp(&x509->issuer, if (issuer != NULL && wolfSSL_X509_NAME_cmp(&x509->issuer,
&x509->subject) != 0) { &x509->subject) != 0) {
if (wolfSSL_sk_X509_push(sk, issuer) != SSL_SUCCESS) { if (wolfSSL_sk_X509_push(sk, issuer) != SSL_SUCCESS) {
WOLFSSL_MSG("Unable to load CA x509 into stack"); WOLFSSL_MSG("Unable to load CA x509 into stack");
wolfSSL_sk_X509_free(sk); wolfSSL_sk_X509_free(sk);
wolfSSL_X509_free(issuer); wolfSSL_X509_free(issuer);
return NULL; return NULL;
}
}
else {
WOLFSSL_MSG("Certificate is self signed");
} }
} }
else { else {
WOLFSSL_MSG("could not find CA for cert or is self signed"); WOLFSSL_MSG("Could not find CA for certificate");
} }
} }
} }