/*
* This is an implementation of OpenID 2.0 RELYING PARTY SUPPORT CURRENTLY B0RKEN AND BEING DEVEL0PZ0RED
+
+
+ OPENID2 BRANCH -- NEEDS TO BE MERGEZ0RED !!!!!!111
+
*
* Copyright (c) 2007-2011 by the citadel.org team
*
#include "user_ops.h"
typedef struct _ctdl_openid {
- StrBuf *claimed_id;
- StrBuf *server;
+ StrBuf *op_url; /* OpenID Provider Endpoint URL */
+ StrBuf *claimed_id; /* Claimed Identifier */
int verified;
HashList *sreg_keys;
} ctdl_openid;
void Free_ctdl_openid(ctdl_openid **FreeMe)
{
- if (*FreeMe == NULL)
+ if (*FreeMe == NULL) {
return;
+ }
+ FreeStrBuf(&(*FreeMe)->op_url);
FreeStrBuf(&(*FreeMe)->claimed_id);
- FreeStrBuf(&(*FreeMe)->server);
DeleteHash(&(*FreeMe)->sreg_keys);
free(*FreeMe);
*FreeMe = NULL;
}
-/*
- * Begin an HTTP fetch (returns number of bytes actually fetched, or -1 for error) using libcurl.
- */
-int fetch_http(StrBuf *url, StrBuf **target_buf)
-{
- StrBuf *ReplyBuf;
- CURL *curl;
- CURLcode result;
- char *effective_url = NULL;
- char errmsg[1024] = "";
-
- if (StrLength(url) <=0 ) return(-1);
- ReplyBuf = *target_buf = NewStrBuf ();
- if (ReplyBuf == 0) return(-1);
-
- curl = ctdl_openid_curl_easy_init(errmsg);
- if (!curl) return(-1);
-
- curl_easy_setopt(curl, CURLOPT_URL, ChrPtr(url));
- curl_easy_setopt(curl, CURLOPT_WRITEDATA, ReplyBuf);
- curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlFillStrBuf_callback);
-
- result = curl_easy_perform(curl);
- if (result) {
- syslog(LOG_DEBUG, "libcurl error %d: %s", result, errmsg);
- }
- curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
- StrBufPlain(url, effective_url, -1);
-
- curl_easy_cleanup(curl);
- return StrLength(ReplyBuf);
-}
-
-
-
struct xrds {
int nesting_level;
int in_xrd;
* If fails, returns 0 and does nothing else.
*/
int perform_openid2_discovery(StrBuf *YadisURL) {
+ ctdl_openid *oiddata = (ctdl_openid *) CC->openid_data;
int docbytes = (-1);
StrBuf *ReplyBuf = NULL;
int return_value = 0;
char errmsg[1024] = "";
struct curl_slist *my_headers = NULL;
StrBuf *x_xrds_location = NULL;
- ctdl_openid *oiddata = (ctdl_openid *) CC->openid_data;
if (YadisURL == NULL) return(0);
syslog(LOG_DEBUG, "perform_openid2_discovery(%s)", ChrPtr(YadisURL));
*/
if (return_value == 0) {
syslog(LOG_DEBUG, "Attempting HTML discovery");
- extract_link(oiddata->server, HKEY("openid2.provider"), ReplyBuf);
- if (StrLength(oiddata->server) > 0) {
- syslog(LOG_DEBUG, "\033[31mHTML DISCO PROVIDER: %s\033[0m", ChrPtr(oiddata->server));
+ if (oiddata->op_url == NULL) {
+ oiddata->op_url = NewStrBuf();
+ }
+ extract_link(oiddata->op_url, HKEY("openid2.provider"), ReplyBuf);
+ if (StrLength(oiddata->op_url) > 0) {
+ syslog(LOG_DEBUG, "\033[31mHTML DISCO PROVIDER: %s\033[0m", ChrPtr(oiddata->op_url));
+ return_value = 1;
}
}
* Setup an OpenID authentication
*/
void cmd_oids(char *argbuf) {
+ struct CitContext *CCC = CC; /* CachedCitContext - performance boost */
const char *Pos = NULL;
StrBuf *ArgBuf = NULL;
StrBuf *ReplyBuf = NULL;
StrBuf *trust_root = NULL;
StrBuf *openid_delegate = NULL;
StrBuf *RedirectUrl = NULL;
- struct CitContext *CCC = CC; /* CachedCitContext - performance boost */
ctdl_openid *oiddata;
+ int discovery_succeeded = 0;
Free_ctdl_openid ((ctdl_openid**)&CCC->openid_data);
CCC->openid_data = oiddata = malloc(sizeof(ctdl_openid));
if (oiddata == NULL) {
+ syslog(LOG_ALERT, "malloc() failed: %s", strerror(errno));
cprintf("%d malloc failed\n", ERROR + INTERNAL_ERROR);
return;
}
/* Attempt section 7.3.2 (Yadis discovery) and section 7.3.3 (HTML discovery);
*/
- int yadis_succeeded = perform_openid2_discovery(oiddata->claimed_id);
-
-
+ discovery_succeeded = perform_openid2_discovery(oiddata->claimed_id);
+ /* Empty delegate is legal; we just use the openid_url instead */
+ if (StrLength(openid_delegate) == 0) {
+ StrBufPlain(openid_delegate, SKEY(oiddata->claimed_id));
+ }
-#if 0
- /* old openid 1.1 implementation ... not ready to break things yet */
- if ( (yadis_succeeded == 0)
- && (fetch_http(oiddata->claimed_id, &ReplyBuf) > 0)
- && (StrLength(ReplyBuf) > 0)
- ) {
- openid_delegate = NewStrBuf();
- oiddata->server = NewStrBuf();
- extract_link(oiddata->server, HKEY("openid.server"), ReplyBuf);
- extract_link(openid_delegate, HKEY("openid.delegate"), ReplyBuf);
-
- if (StrLength(oiddata->server) == 0) {
- cprintf("%d There is no OpenID identity provider at this URL.\n", ERROR);
- FreeStrBuf(&ArgBuf);
- FreeStrBuf(&ReplyBuf);
- FreeStrBuf(&return_to);
- FreeStrBuf(&trust_root);
- FreeStrBuf(&openid_delegate);
- FreeStrBuf(&RedirectUrl);
- return;
- }
+ if (StrLength(oiddata->op_url) == 0) {
+ cprintf("%d There is no OpenID identity provider at this URL.\n", ERROR);
+ }
- /* Empty delegate is legal; we just use the openid_url instead */
- if (StrLength(openid_delegate) == 0) {
- StrBufPlain(openid_delegate, SKEY(oiddata->claimed_id));
- }
+ else {
/* Assemble a URL to which the user-agent will be redirected. */
-
- RedirectUrl = NewStrBufDup(oiddata->server);
-
+
+ RedirectUrl = NewStrBufDup(oiddata->op_url);
+
StrBufAppendBufPlain(RedirectUrl, HKEY("?openid.mode=checkid_setup"
- "&openid.identity="), 0);
+ "&openid.identity="), 0);
StrBufUrlescAppend(RedirectUrl, openid_delegate, NULL);
-
+
StrBufAppendBufPlain(RedirectUrl, HKEY("&openid.return_to="), 0);
StrBufUrlescAppend(RedirectUrl, return_to, NULL);
-
+
StrBufAppendBufPlain(RedirectUrl, HKEY("&openid.trust_root="), 0);
StrBufUrlescAppend(RedirectUrl, trust_root, NULL);
-
+
StrBufAppendBufPlain(RedirectUrl, HKEY("&openid.sreg.optional="), 0);
StrBufUrlescAppend(RedirectUrl, NULL, "nickname,email,fullname,postcode,country,dob,gender");
-
+
cprintf("%d %s\n", CIT_OK, ChrPtr(RedirectUrl));
-
- FreeStrBuf(&ArgBuf);
- FreeStrBuf(&ReplyBuf);
- FreeStrBuf(&return_to);
- FreeStrBuf(&trust_root);
- FreeStrBuf(&openid_delegate);
- FreeStrBuf(&RedirectUrl);
-
- return;
}
-#endif /* 0 */
-
+
FreeStrBuf(&ArgBuf);
FreeStrBuf(&ReplyBuf);
FreeStrBuf(&return_to);
FreeStrBuf(&trust_root);
FreeStrBuf(&openid_delegate);
FreeStrBuf(&RedirectUrl);
-
- cprintf("%d Unable to fetch OpenID URL\n", ERROR);
}
cprintf("%d run OIDS first.\n", ERROR + INTERNAL_ERROR);
return;
}
- if (StrLength(oiddata->server) == 0){
+ if (StrLength(oiddata->op_url) == 0){
cprintf("%d need a remote server to authenticate against\n", ERROR + ILLEGAL_VALUE);
return;
}
ReplyBuf = NewStrBuf();
curl = ctdl_openid_curl_easy_init(errmsg);
- curl_easy_setopt(curl, CURLOPT_URL, ChrPtr(oiddata->server));
+ curl_easy_setopt(curl, CURLOPT_URL, ChrPtr(oiddata->op_url));
curl_easy_setopt(curl, CURLOPT_WRITEDATA, ReplyBuf);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlFillStrBuf_callback);
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);