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Fix error handling after calling X509_NAME_get_index_by_NID

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This should fix #376
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Benjamin Sergeant 2022-03-27 19:14:40 -07:00 committed by GitHub
parent a3d2fa4b7e
commit 2829c62ef9
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1 changed files with 2 additions and 2 deletions
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4
ixwebsocket/IXSocketOpenSSL.cpp
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@ -339,12 +339,12 @@ namespace ix
{
int cn_pos = X509_NAME_get_index_by_NID(
X509_get_subject_name((X509*) server_cert), NID_commonName, -1);
if (cn_pos)
if (cn_pos >= 0)
{
X509_NAME_ENTRY* cn_entry =
X509_NAME_get_entry(X509_get_subject_name((X509*) server_cert), cn_pos);
if (cn_entry)
if (cn_entry != nullptr)
{
ASN1_STRING* cn_asn1 = X509_NAME_ENTRY_get_data(cn_entry);
char* cn = (char*) ASN1_STRING_data(cn_asn1);