#include "ctdl_module.h"
-struct associate_handle {
- char claimed_id[256];
- char assoc_type[32];
- time_t expiration_time;
- char assoc_handle[256];
- char mac_key[128];
-};
-
-HashList *HL = NULL; // hash table of assoc_handle
-
/*
* Locate a <link> tag and, given its 'rel=' parameter, return its 'href' parameter
*/
}
-#define ASSOCIATE_RESPONSE_SIZE 4096
-
-/*
- * libcurl callback function for prepare_openid_associate_request()
- */
-size_t associate_callback(void *ptr, size_t size, size_t nmemb, void *stream)
-{
- char *response = (char *) stream;
- int got_bytes = (size * nmemb);
- int len = strlen(response);
-
- if ((len + got_bytes + 1) < ASSOCIATE_RESPONSE_SIZE) {
- memcpy(&response[len], ptr, got_bytes);
- response[len+got_bytes] = 0;
- }
-
- return got_bytes;
-}
-
-
-/*
- * Helper function for process_associate_response()
- * (Delete function for hash table)
- */
-void delete_assoc_handle(void *data) {
- if (data) free(data);
-}
-
-
-/*
- * Process the response from an "associate" request
- */
-struct associate_handle *process_associate_response(char *claimed_id, char *associate_response)
-{
- struct associate_handle *h = NULL;
- char *ptr = associate_response;
- char thisline[512];
- char thiskey[256];
- char thisdata[256];
-
- h = (struct associate_handle *) malloc(sizeof(struct associate_handle));
- safestrncpy(h->claimed_id, claimed_id, sizeof h->claimed_id);
-
- do {
- ptr = memreadline(ptr, thisline, sizeof thisline);
- extract_token(thiskey, thisline, 0, ':', sizeof thiskey);
- extract_token(thisdata, thisline, 1, ':', sizeof thisdata);
-
- CtdlLogPrintf(CTDL_DEBUG, "Associate response: key:<%s> data:<%s>\n", thiskey, thisdata);
-
- if (!strcasecmp(thiskey, "assoc_type")) {
- safestrncpy(h->assoc_type, thisdata, sizeof h->assoc_type);
- }
- else if (!strcasecmp(thiskey, "expires_in")) {
- h->expiration_time = time(NULL) + atol(thisdata);
- }
- else if (!strcasecmp(thiskey, "assoc_handle")) {
- safestrncpy(h->assoc_handle, thisdata, sizeof h->assoc_handle);
- }
- else if (!strcasecmp(thiskey, "mac_key")) {
- safestrncpy(h->mac_key, thisdata, sizeof h->mac_key);
- }
-
- } while (*ptr);
-
- /* Add this data structure into the hash table */
- Put(HL, h->assoc_handle, strlen(h->assoc_handle), h, delete_assoc_handle);
-
- /* FIXME periodically purge the hash table of expired handles */
-
- return h;
-}
-
-
-
-/*
- * Establish a shared secret with an OpenID Identity Provider by sending
- * an "associate" request.
- */
-struct associate_handle *prepare_openid_associate_request(
- char *claimed_id, char *openid_server, char *openid_delegate)
-{
- CURL *curl;
- CURLcode res;
- struct curl_httppost *formpost=NULL;
- struct curl_httppost *lastptr=NULL;
- char associate_response[ASSOCIATE_RESPONSE_SIZE];
- struct associate_handle *h = NULL;
-
- memset(associate_response, 0, ASSOCIATE_RESPONSE_SIZE);
-
- curl_formadd(&formpost,
- &lastptr,
- CURLFORM_COPYNAME, "openid.mode",
- CURLFORM_COPYCONTENTS, "associate",
- CURLFORM_END
- );
-
- curl_formadd(&formpost,
- &lastptr,
- CURLFORM_COPYNAME, "openid.session_type",
- CURLFORM_COPYCONTENTS, "",
- CURLFORM_END
- );
-
- curl = curl_easy_init();
- if (curl) {
- curl_easy_setopt(curl, CURLOPT_URL, openid_server);
- curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
- curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
- curl_easy_setopt(curl, CURLOPT_WRITEDATA, associate_response);
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, associate_callback);
- curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
-
- curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
- res = curl_easy_perform(curl);
- h = process_associate_response(claimed_id, associate_response);
- curl_easy_cleanup(curl);
- }
- curl_formfree(formpost);
-
- return h;
-}
-
-
-
-
-
/*
* Setup an OpenID authentication
*/
char trust_root[1024];
int i;
char buf[SIZ];
- struct associate_handle *h = NULL;
if (CC->logged_in) {
cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
safestrncpy(openid_delegate, openid_url, sizeof openid_delegate);
}
- /*
- * Prepare an "associate" request. This contacts the IdP and fetches
- * a data structure containing an assoc_handle plus a shared secret.
- */
- h = prepare_openid_associate_request(openid_url, openid_server, openid_delegate);
-
/* Assemble a URL to which the user-agent will be redirected. */
char redirect_string[4096];
char escaped_identity[512];
char escaped_return_to[2048];
char escaped_trust_root[1024];
char escaped_sreg_optional[256];
- char escaped_assoc_handle[512];
urlesc(escaped_identity, sizeof escaped_identity, openid_delegate);
- urlesc(escaped_assoc_handle, sizeof escaped_assoc_handle, h->assoc_handle);
urlesc(escaped_return_to, sizeof escaped_return_to, return_to);
urlesc(escaped_trust_root, sizeof escaped_trust_root, trust_root);
urlesc(escaped_sreg_optional, sizeof escaped_sreg_optional,
"%s"
"?openid.mode=checkid_setup"
"&openid.identity=%s"
- "&openid.assoc_handle=%s"
"&openid.return_to=%s"
"&openid.trust_root=%s"
"&openid.sreg.optional=%s"
,
openid_server,
escaped_identity,
- escaped_assoc_handle,
escaped_return_to,
escaped_trust_root,
escaped_sreg_optional
);
- CtdlLogPrintf(CTDL_DEBUG, "Telling client about assoc_handle <%s>\n", h->assoc_handle);
cprintf("%d %s\n", CIT_OK, redirect_string);
return;
}
* Finalize an OpenID authentication
*/
void cmd_oidf(char *argbuf) {
- char assoc_handle[256];
- char invalidate_handle[256];
- struct associate_handle *h = NULL;
-
- extract_token(assoc_handle, argbuf, 0, '|', sizeof assoc_handle);
- extract_token(invalidate_handle, argbuf, 1, '|', sizeof assoc_handle);
-
- if (GetHash(HL, assoc_handle, strlen(assoc_handle), (void *)&h)) {
- cprintf("%d handle is good\n", CIT_OK);
-
- // FIXME now do something with it
-
- }
- else {
- if (GetHash(HL, invalidate_handle, strlen(invalidate_handle), (void *)&h)) {
- cprintf("%d assoc_handle not found, but invalidate_handle was found\n", ERROR);
- }
- else {
- cprintf("%d neither assoc_handle nor invalidate_handle found, wtf?\n", ERROR);
- }
+ char buf[2048];
+ char thiskey[1024];
+ char thisdata[1024];
+
+ cprintf("%d Transmit OpenID data now\n", START_CHAT_MODE);
+
+ while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
+ extract_token(thiskey, buf, 0, '|', sizeof thiskey);
+ extract_token(thisdata, buf, 1, '|', sizeof thisdata);
+ CtdlLogPrintf(CTDL_DEBUG, "%s: [%d] %s\n", thiskey, strlen(thisdata), thisdata);
}
+
+ cprintf("message|FIXME finish this\n");
+ cprintf("000\n");
}
if (!threading)
{
curl_global_init(CURL_GLOBAL_ALL);
- HL = NewHash(1, NULL);
CtdlRegisterProtoHook(cmd_oids, "OIDS", "Setup OpenID authentication");
CtdlRegisterProtoHook(cmd_oidf, "OIDF", "Finalize OpenID authentication");
}