/*
* $Id$
*
- * OpenID 1.1 "relying party" implementation
+ * This is an implementation of OpenID 1.1 Relying Party support, in stateless mode.
*
*/
#include <curl/curl.h>
#include "ctdl_module.h"
+struct ctdl_openid {
+ char claimed_id[1024];
+ char server[1024];
+};
+
/*
* Locate a <link> tag and, given its 'rel=' parameter, return its 'href' parameter
* Setup an OpenID authentication
*/
void cmd_oids(char *argbuf) {
- char openid_url[1024];
char return_to[1024];
char trust_root[1024];
int i;
char buf[SIZ];
+ struct CitContext *CCC = CC; /* CachedCitContext - performance boost */
+ struct ctdl_openid *oiddata;
- if (CC->logged_in) {
+ if (CCC->logged_in) {
cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
return;
}
- extract_token(openid_url, argbuf, 0, '|', sizeof openid_url);
+ if (CCC->openid_data != NULL) {
+ free(CCC->openid_data);
+ }
+ oiddata = malloc(sizeof(struct ctdl_openid));
+ if (oiddata == NULL) {
+ cprintf("%d malloc failed\n", ERROR + INTERNAL_ERROR);
+ return;
+ }
+ memset(oiddata, 0, sizeof(struct ctdl_openid));
+ CCC->openid_data = (void *) oiddata;
+
+ extract_token(oiddata->claimed_id, argbuf, 0, '|', sizeof oiddata->claimed_id);
extract_token(return_to, argbuf, 1, '|', sizeof return_to);
extract_token(trust_root, argbuf, 2, '|', sizeof trust_root);
- i = fetch_http(openid_url, buf, sizeof buf - 1);
+ CtdlLogPrintf(CTDL_DEBUG, "Asking %s for server and delegate\n", oiddata->claimed_id);
+ i = fetch_http(oiddata->claimed_id, buf, sizeof buf - 1);
buf[sizeof buf - 1] = 0;
if (i > 0) {
- char openid_server[1024];
char openid_delegate[1024];
- extract_link(openid_server, sizeof openid_server, "openid.server", buf);
+ extract_link(oiddata->server, sizeof oiddata->server, "openid.server", buf);
extract_link(openid_delegate, sizeof openid_delegate, "openid.delegate", buf);
- if (IsEmptyStr(openid_server)) {
+ if (IsEmptyStr(oiddata->server)) {
cprintf("%d There is no OpenID identity provider at this URL.\n", ERROR);
return;
}
/* Empty delegate is legal; we just use the openid_url instead */
if (IsEmptyStr(openid_delegate)) {
- safestrncpy(openid_delegate, openid_url, sizeof openid_delegate);
+ safestrncpy(openid_delegate, oiddata->claimed_id, sizeof openid_delegate);
}
/* Assemble a URL to which the user-agent will be redirected. */
"&openid.trust_root=%s"
"&openid.sreg.optional=%s"
,
- openid_server,
+ oiddata->server,
escaped_identity,
escaped_return_to,
escaped_trust_root,
+/*
+ * Callback function to free a pointer (used below in the hash list)
+ */
+void free_oid_key(void *ptr) {
+ free(ptr);
+}
+
+
/*
* Finalize an OpenID authentication
*/
char buf[2048];
char thiskey[1024];
char thisdata[1024];
+ HashList *keys = NULL;
+ HashPos *HashPos;
+
+ keys = NewHash(1, NULL);
+ if (!keys) {
+ cprintf("%d NewHash() failed\n", ERROR + INTERNAL_ERROR);
+ return;
+ }
cprintf("%d Transmit OpenID data now\n", START_CHAT_MODE);
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);
+ Put(keys, thiskey, strlen(thiskey), strdup(thisdata), free_oid_key);
+ }
+
+
+ /* Now that we have all of the parameters, we have to validate the signature against the server */
+
+ CURL *curl;
+ CURLcode res;
+ struct curl_httppost *formpost = NULL;
+ struct curl_httppost *lastptr = NULL;
+ char errmsg[1024] = "";
+
+ curl_formadd(&formpost, &lastptr,
+ CURLFORM_COPYNAME, "openid.mode",
+ CURLFORM_COPYCONTENTS, "check_authentication",
+ CURLFORM_END);
+
+ curl = curl_easy_init();
+ // curl_easy_setopt(curl, CURLOPT_URL, FIXME ); /* FIXME need to bring this over */
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
+ // curl_easy_setopt(curl, CURLOPT_WRITEDATA, &fh);
+ // curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fh_callback);
+ curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
+ curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errmsg);
+ curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
+ res = curl_easy_perform(curl);
+ if (res) {
+ CtdlLogPrintf(CTDL_DEBUG, "cmd_oidf() libcurl error %d: %s\n", res, errmsg);
}
+ curl_easy_cleanup(curl);
+ curl_formfree(formpost);
+ /* FIXME do something with the results */
+
+ /* Respond to the client */
cprintf("message|FIXME finish this\n");
cprintf("000\n");
+
+ /* Free the hash list */
+ long len;
+ void *Value;
+ char *Key;
+
+ HashPos = GetNewHashPos();
+ while (GetNextHashPos(keys, HashPos, &len, &Key, &Value)!=0)
+ {
+ free(Value);
+ }
+ DeleteHashPos(&HashPos);
}
+// mode = [6] id_res
+// identity = [50] http://uncensored.citadel.org/~ajc/MyID.config.php
+// assoc_handle = [26] 6ekac3ju181tgepk7v4h9r7ui7
+// return_to = [42] http://jemcaterers.net/finish_openid_login
+// sreg.nickname = [17] IGnatius T Foobar
+// sreg.email = [26] ajc@uncensored.citadel.org
+// sreg.fullname = [10] Art Cancro
+// sreg.postcode = [5] 10549
+// sreg.country = [2] US
+// signed = [102] mode,identity,assoc_handle,return_to,sreg.nickname,sreg.email,sreg.fullname,sreg.postcode,sreg.country
+// sig = [28] vixxxU4MAqWfxxxxCfrHv3TxxxhEw=
+
+
+/*
+ * This cleanup function blows away the temporary memory used by this module.
+ */
+void openid_cleanup_function(void) {
+
+ if (CC->openid_data != NULL) {
+ free(CC->openid_data);
+ }
+}
+
CTDL_MODULE_INIT(openid_rp)
if (!threading)
{
curl_global_init(CURL_GLOBAL_ALL);
- CtdlRegisterProtoHook(cmd_oids, "OIDS", "Setup OpenID authentication");
- CtdlRegisterProtoHook(cmd_oidf, "OIDF", "Finalize OpenID authentication");
+ CtdlRegisterProtoHook(cmd_oids, "OIDS", "Setup OpenID authentication");
+ CtdlRegisterProtoHook(cmd_oidf, "OIDF", "Finalize OpenID authentication");
+ CtdlRegisterSessionHook(openid_cleanup_function, EVT_STOP);
}
/* return our Subversion id for the Log */
if (havebstr("openid.mode")) {
if (!strcasecmp(bstr("openid.mode"), "id_res")) {
-// openid.mode = [6] id_res
-// openid.identity = [50] http://uncensored.citadel.org/~ajc/MyID.config.php
-// openid.assoc_handle = [26] 6ekac3ju181tgepk7v4h9r7ui7
-// openid.return_to = [42] http://jemcaterers.net/finish_openid_login
-// openid.sreg.nickname = [17] IGnatius T Foobar
-// openid.sreg.email = [26] ajc@uncensored.citadel.org
-// openid.sreg.fullname = [10] Art Cancro
-// openid.sreg.postcode = [5] 10549
-// openid.sreg.country = [2] US
-// openid.signed = [102] mode,identity,assoc_handle,return_to,sreg.nickname,sreg.email,sreg.fullname,sreg.postcode,sreg.country
-// openid.sig = [28] vixxxU4MAqWfxxxxCfrHv3TxxxhEw=
-
// FIXME id accepted but the code isn't finished
- serv_printf("OIDF %s",
- bstr("openid.assoc_handle")
- );
+ serv_puts("OIDF");
serv_getln(buf, sizeof buf);
if (buf[0] == '8') {
-
-
urlcontent *u;
void *U;
long HKLen;
}
-
-
-
-
-
-
/*
- * display the user a welcome screen.
+ * Display a welcome screen to the user.
*
- * if this is the first time login, and the web based setup is enabled,
+ * If this is the first time login, and the web based setup is enabled,
* lead the user through the setup routines
*/
void do_welcome(void)
projects / citadel.git / commitdiff