void pbproxy_handle_http_header(pubnub_t *p, char const* header)
{
char scheme_basic[] = "Basic";
char scheme_NTLM[] = "NTLM";
char proxy_auth[] = "Proxy-Authenticate: ";
char const* contents;
PUBNUB_ASSERT_OPT(p != NULL);
PUBNUB_ASSERT_OPT(header != NULL);
if (strncmp(p->core.http_buf, proxy_auth, sizeof proxy_auth - 1) != 0) {
return;
}
contents = p->core.http_buf + sizeof proxy_auth - 1;
PUBNUB_LOG_TRACE("pbproxy_handle_http_header(header='%s', contents='%s')\n", header, contents);
if (0 == strncmp(contents, scheme_basic, sizeof scheme_basic -1)) {
/* We ignore the "realm" for now */
PUBNUB_LOG_TRACE("pbproxy_handle_http_header() Basic authentication\n");
p->proxy_auth_scheme = pbhtauBasic;
p->proxy_authorization_sent = false;
}
else if (0 == strncmp(contents, scheme_NTLM, sizeof scheme_NTLM -1)) {
if (pbhtauNTLM != p->proxy_auth_scheme) {
pbntlm_core_init(p);
p->proxy_auth_scheme = pbhtauNTLM;
p->proxy_authorization_sent = false;
}
else {
char const *base64_msg = contents + sizeof scheme_NTLM;
pbntlm_core_handle(p, base64_msg, strcspn(base64_msg, " \r\n"));
}
}
else {
PUBNUB_LOG_ERROR("Proxy Authentication '%s' not supported\n", contents);
p->proxy_auth_scheme = pbhtauNone;
}
}
void pbproxy_handle_http_header(pubnub_t* p, char const* header)
{
char scheme_basic[] = "Basic";
char scheme_digest[] = "Digest";
char scheme_NTLM[] = "NTLM";
char proxy_auth[] = "Proxy-Authenticate: ";
char const* contents;
PUBNUB_ASSERT_OPT(p != NULL);
PUBNUB_ASSERT_OPT(header != NULL);
switch (header[0]) {
case ' ':
case '\t':
/* Though this is not very nice, we only support multi-line
headers for Digest proxy. In practice, Basic and NTLM never
use multi-line headers.
*/
if (p->proxy_auth_scheme != pbhtauDigest) {
return;
}
pbhttp_digest_parse_header(&p->digest_context, header + 1);
return;
default:
if (strncmp(header, proxy_auth, sizeof proxy_auth - 1) != 0) {
return;
}
break;
}
contents = header + sizeof proxy_auth - 1;
PUBNUB_LOG_TRACE("pbproxy_handle_http_header(header='%s', contents='%s')\n",
header,
contents);
if (0 == strncmp(contents, scheme_basic, sizeof scheme_basic - 1)) {
/* We ignore the "realm" for now */
PUBNUB_LOG_TRACE("pbproxy_handle_http_header() Basic authentication\n");
p->proxy_auth_scheme = pbhtauBasic;
p->proxy_authorization_sent = false;
}
else if (0 == strncmp(contents, scheme_digest, sizeof scheme_digest - 1)) {
/* We ignore the "realm" for now */
PUBNUB_LOG_TRACE(
"pbproxy_handle_http_header() Digest authentication\n");
p->proxy_auth_scheme = pbhtauDigest;
pbhttp_digest_init(&p->digest_context);
pbhttp_digest_parse_header(&p->digest_context,
contents + sizeof scheme_digest);
p->proxy_authorization_sent = false;
}
else if (0 == strncmp(contents, scheme_NTLM, sizeof scheme_NTLM - 1)) {
if (pbhtauNTLM != p->proxy_auth_scheme) {
pbntlm_core_init(p);
p->proxy_auth_scheme = pbhtauNTLM;
p->proxy_authorization_sent = false;
}
else {
char const* base64_msg = contents + sizeof scheme_NTLM;
pbntlm_core_handle(p, base64_msg, strcspn(base64_msg, " \r\n"));
}
}
else {
PUBNUB_LOG_ERROR("Proxy Authentication '%s' not supported\n", contents);
p->proxy_auth_scheme = pbhtauNone;
}
}
