*
* This is an implementation of OpenID 1.1 Relying Party support, in stateless mode.
*
+ * Copyright (c) 2007-2009 by the citadel.org team
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "sysdep.h"
struct ctdl_openid {
char claimed_id[1024];
char server[1024];
- int validated;
+ int verified;
+ HashList *sreg_keys;
};
* The structure of an openid record *key* is:
*
* |--------------claimed_id-------------|
- * (auctual length of claimed id)
+ * (actual length of claimed id)
*
*
* The structure of an openid record *value* is:
*/
+
/*
* Attach an OpenID to a Citadel account
*/
long fetched_usernum;
char *data;
int data_len;
+ char buf[2048];
if (!who) return(1);
if (!claimed_id) return(1);
cdb_store(CDB_OPENID, claimed_id, strlen(claimed_id), data, data_len);
free(data);
- CtdlLogPrintf(CTDL_INFO, "%s has been associated with %s (%ld)\n",
- claimed_id, who->fullname, who->usernum);
+ snprintf(buf, sizeof buf, "User <%s> (#%ld) has claimed the OpenID URL %s\n",
+ who->fullname, who->usernum, claimed_id);
+ aide_message(buf, "OpenID claim");
+ CtdlLogPrintf(CTDL_INFO, "%s", buf);
return(0);
}
+
/*
* When a user is being deleted, we have to delete any OpenID associations
*/
void openid_purge(struct ctdluser *usbuf) {
struct cdbdata *cdboi;
+ HashList *keys = NULL;
+ HashPos *HashPos;
+ char *deleteme = NULL;
+ long len;
+ void *Value;
+ const char *Key;
+ long usernum = 0L;
+
+ keys = NewHash(1, NULL);
+ if (!keys) return;
+
cdb_rewind(CDB_OPENID);
while (cdboi = cdb_next_item(CDB_OPENID), cdboi != NULL) {
if (cdboi->len > sizeof(long)) {
- if (((long)*(cdboi->ptr)) == usbuf->usernum) {
- CtdlLogPrintf(CTDL_DEBUG, "FIXME we have to delete an openid\n");
+ memcpy(&usernum, cdboi->ptr, sizeof(long));
+ if (usernum == usbuf->usernum) {
+ deleteme = strdup(cdboi->ptr + sizeof(long)),
+ Put(keys, deleteme, strlen(deleteme), deleteme, generic_free_handler);
}
}
cdb_free(cdboi);
}
- /* FIXME finish this */
+ /* Go through the hash list, deleting keys we stored in it */
+
+ HashPos = GetNewHashPos(keys, 0);
+ while (GetNextHashPos(keys, HashPos, &len, &Key, &Value)!=0)
+ {
+ CtdlLogPrintf(CTDL_DEBUG, "Deleting associated OpenID <%s>\n", Value);
+ cdb_delete(CDB_OPENID, Value, strlen(Value));
+ /* note: don't free(Value) -- deleting the hash list will handle this for us */
+ }
+ DeleteHashPos(&HashPos);
+ DeleteHash(&keys);
}
*/
void cmd_oidl(char *argbuf) {
struct cdbdata *cdboi;
+ long usernum = 0L;
if (CtdlAccessCheck(ac_logged_in)) return;
cdb_rewind(CDB_OPENID);
while (cdboi = cdb_next_item(CDB_OPENID), cdboi != NULL) {
if (cdboi->len > sizeof(long)) {
- if (((long)*(cdboi->ptr)) == CC->user.usernum) {
+ memcpy(&usernum, cdboi->ptr, sizeof(long));
+ if (usernum == CC->user.usernum) {
cprintf("%s\n", cdboi->ptr + sizeof(long));
}
}
}
+/*
+ * List ALL OpenIDs in the database
+ */
+void cmd_oida(char *argbuf) {
+ struct cdbdata *cdboi;
+ long usernum;
+ struct ctdluser usbuf;
+
+ if (CtdlAccessCheck(ac_aide)) return;
+ cdb_rewind(CDB_OPENID);
+ cprintf("%d List of all OpenIDs in the database:\n", LISTING_FOLLOWS);
+
+ while (cdboi = cdb_next_item(CDB_OPENID), cdboi != NULL) {
+ if (cdboi->len > sizeof(long)) {
+ memcpy(&usernum, cdboi->ptr, sizeof(long));
+ if (getuserbynumber(&usbuf, usernum) != 0) {
+ usbuf.fullname[0] = 0;
+ }
+ cprintf("%s|%ld|%s\n",
+ cdboi->ptr + sizeof(long),
+ usernum,
+ usbuf.fullname
+ );
+ }
+ cdb_free(cdboi);
+ }
+ cprintf("000\n");
+}
+
+
+/*
+ * Attempt to register (populate the vCard) the currently-logged-in user
+ * using the data from Simple Registration Extension, if present.
+ */
+void populate_vcard_from_sreg(HashList *sreg_keys) {
+
+ struct vCard *v;
+ int pop = 0; /* number of fields populated */
+ char *data = NULL;
+ char *postcode = NULL;
+ char *country = NULL;
+
+ if (!sreg_keys) return;
+ v = vcard_new();
+ if (!v) return;
+
+ if (GetHash(sreg_keys, "identity", 8, (void *) &data)) {
+ vcard_add_prop(v, "url;type=openid", data);
+ ++pop;
+ }
+
+ if (GetHash(sreg_keys, "sreg.email", 10, (void *) &data)) {
+ vcard_add_prop(v, "email;internet", data);
+ ++pop;
+ }
+
+ if (GetHash(sreg_keys, "sreg.nickname", 13, (void *) &data)) {
+ vcard_add_prop(v, "nickname", data);
+ ++pop;
+ }
+
+ if (GetHash(sreg_keys, "sreg.fullname", 13, (void *) &data)) {
+ char n[256];
+ vcard_add_prop(v, "fn", data);
+ vcard_fn_to_n(n, data, sizeof n);
+ vcard_add_prop(v, "n", n);
+ ++pop;
+ }
+
+ if (!GetHash(sreg_keys, "sreg.postcode", 13, (void *) &postcode)) {
+ postcode = NULL;
+ }
+
+ if (!GetHash(sreg_keys, "sreg.country", 12, (void *) &country)) {
+ country = NULL;
+ }
+
+ if (postcode || country) {
+ char adr[256];
+ snprintf(adr, sizeof adr, ";;;;;%s;%s",
+ (postcode ? postcode : ""),
+ (country ? country : "")
+ );
+ vcard_add_prop(v, "adr", adr);
+ ++pop;
+ }
+
+ if (GetHash(sreg_keys, "sreg.dob", 8, (void *) &data)) {
+ vcard_add_prop(v, "bday", data);
+ ++pop;
+ }
+
+ if (GetHash(sreg_keys, "sreg.gender", 11, (void *) &data)) {
+ vcard_add_prop(v, "x-funambol-gender", data);
+ ++pop;
+ }
+
+ /* Only save the vCard if there is some useful data in it */
+ if (pop > 0) {
+ char *ser;
+ ser = vcard_serialize(v);
+ if (ser) {
+ CtdlWriteObject(USERCONFIGROOM, "text/x-vcard",
+ ser, strlen(ser)+1, &CC->user, 0, 0, 0
+ );
+ free(ser);
+ }
+ }
+ vcard_free(v);
+}
+
+
+/*
+ * Create a new user account, manually specifying the name, after successfully
+ * verifying an OpenID (which will of course be attached to the account)
+ */
+void cmd_oidc(char *argbuf) {
+ struct ctdl_openid *oiddata = (struct ctdl_openid *) CC->openid_data;
+
+ if (!oiddata) {
+ cprintf("%d You have not verified an OpenID yet.\n", ERROR);
+ return;
+ }
+
+ if (!oiddata->verified) {
+ cprintf("%d You have not verified an OpenID yet.\n", ERROR);
+ return;
+ }
+
+ /* We can make the semantics of OIDC exactly the same as NEWU, simply
+ * by _calling_ cmd_newu() and letting it run. Very clever!
+ */
+ cmd_newu(argbuf);
+
+ /* Now, if this logged us in, we have to attach the OpenID */
+ if (CC->logged_in) {
+ attach_openid(&CC->user, oiddata->claimed_id);
+ if (oiddata->sreg_keys != NULL) {
+ populate_vcard_from_sreg(oiddata->sreg_keys);
+ }
+ }
+
+}
+
+
+
/*
* Detach an OpenID from the currently logged in account
struct cdbdata *cdboi;
char id_to_detach[1024];
int this_is_mine = 0;
+ long usernum = 0L;
if (CtdlAccessCheck(ac_logged_in)) return;
extract_token(id_to_detach, argbuf, 0, '|', sizeof id_to_detach);
cdb_rewind(CDB_OPENID);
while (cdboi = cdb_next_item(CDB_OPENID), cdboi != NULL) {
if (cdboi->len > sizeof(long)) {
- if (((long)*(cdboi->ptr)) == CC->user.usernum) {
+ memcpy(&usernum, cdboi->ptr, sizeof(long));
+ if (usernum == CC->user.usernum) {
this_is_mine = 1;
}
}
/*
- * getuserbyopenid() works the same way as getuser() and getuserbynumber().
- * If a user account exists which is associated with the Claimed ID, it fills usbuf and returns zero.
+ * Attempt to auto-create a new Citadel account using the nickname from Simple Registration Extension
+ */
+int openid_create_user_via_sreg(char *claimed_id, HashList *sreg_keys)
+{
+ char *desired_name = NULL;
+ char new_password[32];
+
+ if (config.c_auth_mode != AUTHMODE_NATIVE) return(1);
+ if (config.c_disable_newu) return(2);
+ if (CC->logged_in) return(3);
+ if (!GetHash(sreg_keys, "sreg.nickname", 13, (void *) &desired_name)) return(4);
+
+ CtdlLogPrintf(CTDL_DEBUG, "The desired account name is <%s>\n", desired_name);
+
+ if (!getuser(&CC->user, desired_name)) {
+ CtdlLogPrintf(CTDL_DEBUG, "<%s> is already taken by another user.\n", desired_name);
+ memset(&CC->user, 0, sizeof(struct ctdluser));
+ return(5);
+ }
+
+ /* The desired account name is available. Create the account and log it in! */
+ if (create_user(desired_name, 1)) return(6);
+
+ snprintf(new_password, sizeof new_password, "%08lx%08lx", random(), random());
+ CtdlSetPassword(new_password);
+ attach_openid(&CC->user, claimed_id);
+ populate_vcard_from_sreg(sreg_keys);
+ return(0);
+}
+
+
+/*
+ * If a user account exists which is associated with the Claimed ID, log it in and return zero.
* Otherwise it returns nonzero.
*/
-int getuserbyopenid(struct ctdluser *usbuf, char *claimed_id)
+int login_via_openid(char *claimed_id)
{
struct cdbdata *cdboi;
long usernum = 0;
memcpy(&usernum, cdboi->ptr, sizeof(long));
cdb_free(cdboi);
- return(getuserbynumber(usbuf, usernum));
+ if (!getuserbynumber(&CC->user, usernum)) {
+ /* Now become the user we just created */
+ safestrncpy(CC->curr_user, CC->user.fullname, sizeof CC->curr_user);
+ do_login();
+ return(0);
+ }
+ else {
+ memset(&CC->user, 0, sizeof(struct ctdluser));
+ return(-1);
+ }
}
+
/**************************************************************************/
/* */
/* Functions in this section handle OpenID protocol */
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fh_callback);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errmsg);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
+#ifdef CURLOPT_HTTP_CONTENT_DECODING
+ curl_easy_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 1);
+ curl_easy_setopt(curl, CURLOPT_ENCODING, "");
+#endif
curl_easy_setopt(curl, CURLOPT_USERAGENT, CITADEL);
+ curl_easy_setopt(curl, CURLOPT_TIMEOUT, 180); /* die after 180 seconds */
if (!IsEmptyStr(config.c_ip_addr)) {
curl_easy_setopt(curl, CURLOPT_INTERFACE, config.c_ip_addr);
}
struct CitContext *CCC = CC; /* CachedCitContext - performance boost */
struct ctdl_openid *oiddata;
- /* commented out because we may be attempting to attach an OpenID to
- * an existing account that is logged in
- *
- if (CCC->logged_in) {
- cprintf("%d Already logged in.\n", ERROR + ALREADY_LOGGED_IN);
- return;
- }
- */
+ oiddata = (struct ctdl_openid *) CCC->openid_data;
- if (CCC->openid_data != NULL) {
+ if (oiddata != NULL) {
+ if (oiddata->sreg_keys != NULL) {
+ DeleteHash(&oiddata->sreg_keys);
+ oiddata->sreg_keys = NULL;
+ }
free(CCC->openid_data);
}
oiddata = malloc(sizeof(struct ctdl_openid));
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);
- oiddata->validated = 0;
+ oiddata->verified = 0;
i = fetch_http(oiddata->claimed_id, buf, sizeof buf - 1, sizeof oiddata->claimed_id);
CtdlLogPrintf(CTDL_DEBUG, "Normalized URL and Claimed ID is: %s\n", oiddata->claimed_id);
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,
- "nickname,email,fullname,postcode,country");
+ "nickname,email,fullname,postcode,country,dob,gender");
snprintf(redirect_string, sizeof redirect_string,
"%s"
-/*
- * Callback function to free a pointer (used below in the hash list)
- */
-void free_oid_key(void *ptr) {
- free(ptr);
-}
/*
char thiskey[1024];
char thisdata[1024];
HashList *keys = NULL;
- HashPos *HashPos;
struct ctdl_openid *oiddata = (struct ctdl_openid *) CC->openid_data;
keys = NewHash(1, NULL);
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);
+ Put(keys, thiskey, strlen(thiskey), strdup(thisdata), generic_free_handler);
}
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errmsg);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
+#ifdef CURLOPT_HTTP_CONTENT_DECODING
+ curl_easy_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 1);
+ curl_easy_setopt(curl, CURLOPT_ENCODING, "");
+#endif
curl_easy_setopt(curl, CURLOPT_USERAGENT, CITADEL);
+ curl_easy_setopt(curl, CURLOPT_TIMEOUT, 180); /* die after 180 seconds */
if (!IsEmptyStr(config.c_ip_addr)) {
curl_easy_setopt(curl, CURLOPT_INTERFACE, config.c_ip_addr);
}
valbuf[fh.total_bytes_received] = 0;
if (bmstrcasestr(valbuf, "is_valid:true")) {
- oiddata->validated = 1;
+ oiddata->verified = 1;
}
- CtdlLogPrintf(CTDL_DEBUG, "Authentication %s.\n", (oiddata->validated ? "succeeded" : "failed") );
+ CtdlLogPrintf(CTDL_DEBUG, "Authentication %s.\n", (oiddata->verified ? "succeeded" : "failed") );
/* Respond to the client */
- if (oiddata->validated) {
+ if (oiddata->verified) {
/* If we were already logged in, attach the OpenID to the user's account */
if (CC->logged_in) {
if (attach_openid(&CC->user, oiddata->claimed_id) == 0) {
cprintf("attach\n");
+ CtdlLogPrintf(CTDL_DEBUG, "OpenID attach succeeded\n");
}
else {
cprintf("fail\n");
+ CtdlLogPrintf(CTDL_DEBUG, "OpenID attach failed\n");
}
}
- /* Otherwise, a user is attempting to log in using the validated OpenID */
+ /* Otherwise, a user is attempting to log in using the verified OpenID */
else {
- struct ctdluser usbuf;
-
/*
* Existing user who has claimed this OpenID?
*
* is associated with the account, they already have password equivalency and can
* login, so they could just as easily change the password, etc.
*/
- if (getuserbyopenid(&usbuf, oiddata->claimed_id) == 0) {
- cprintf("authenticate\n%s\n%s\n", usbuf.fullname, usbuf.password);
+ if (login_via_openid(oiddata->claimed_id) == 0) {
+ cprintf("authenticate\n%s\n%s\n", CC->user.fullname, CC->user.password);
+ logged_in_response();
+ CtdlLogPrintf(CTDL_DEBUG, "Logged in using previously claimed OpenID\n");
+ }
+
+ /*
+ * If this system does not allow self-service new user registration, the
+ * remaining modes do not apply, so fail here and now.
+ */
+ else if (config.c_disable_newu) {
+ cprintf("fail\n");
+ CtdlLogPrintf(CTDL_DEBUG, "Creating user failed due to local policy\n");
+ }
+
+ /*
+ * New user whose OpenID is verified and Simple Registration Extension is in use?
+ */
+ else if (openid_create_user_via_sreg(oiddata->claimed_id, keys) == 0) {
+ cprintf("authenticate\n%s\n%s\n", CC->user.fullname, CC->user.password);
+ logged_in_response();
+ CtdlLogPrintf(CTDL_DEBUG, "Successfully auto-created new user\n");
}
+ /*
+ * OpenID is verified, but the desired username either was not specified or
+ * conflicts with an existing user. Manual account creation is required.
+ */
else {
- cprintf("fail\n"); // FIXME do the login here!!
+ char *desired_name = NULL;
+ cprintf("verify_only\n");
+ cprintf("%s\n", oiddata->claimed_id);
+ if (GetHash(keys, "sreg.nickname", 13, (void *) &desired_name)) {
+ cprintf("%s\n", desired_name);
+ }
+ else {
+ cprintf("\n");
+ }
+ CtdlLogPrintf(CTDL_DEBUG, "The desired Simple Registration name is already taken.\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);
+ if (oiddata->sreg_keys != NULL) {
+ DeleteHash(&oiddata->sreg_keys);
+ oiddata->sreg_keys = NULL;
}
- DeleteHashPos(&HashPos);
+ oiddata->sreg_keys = keys;
}
-// 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) {
+ struct ctdl_openid *oiddata = (struct ctdl_openid *) CC->openid_data;
- if (CC->openid_data != NULL) {
- free(CC->openid_data);
+ if (oiddata != NULL) {
+ CtdlLogPrintf(CTDL_DEBUG, "Clearing OpenID session state\n");
+ if (oiddata->sreg_keys != NULL) {
+ DeleteHash(&oiddata->sreg_keys);
+ oiddata->sreg_keys = NULL;
+ }
+ free(oiddata);
}
}
CTDL_MODULE_INIT(openid_rp)
{
- if (!threading)
- {
+ if (!threading) {
curl_global_init(CURL_GLOBAL_ALL);
- CtdlRegisterProtoHook(cmd_oids, "OIDS", "Setup OpenID authentication");
- CtdlRegisterProtoHook(cmd_oidf, "OIDF", "Finalize OpenID authentication");
- CtdlRegisterProtoHook(cmd_oidl, "OIDL", "List OpenIDs associated with an account");
- CtdlRegisterProtoHook(cmd_oidd, "OIDD", "Detach an OpenID from an account");
- CtdlRegisterSessionHook(openid_cleanup_function, EVT_STOP);
+
+ /* Only enable the OpenID command set when native mode authentication is in use. */
+ if (config.c_auth_mode == AUTHMODE_NATIVE) {
+ CtdlRegisterProtoHook(cmd_oids, "OIDS", "Setup OpenID authentication");
+ CtdlRegisterProtoHook(cmd_oidf, "OIDF", "Finalize OpenID authentication");
+ CtdlRegisterProtoHook(cmd_oidl, "OIDL", "List OpenIDs associated with an account");
+ CtdlRegisterProtoHook(cmd_oidd, "OIDD", "Detach an OpenID from an account");
+ CtdlRegisterProtoHook(cmd_oidc, "OIDC", "Create new user after validating OpenID");
+ CtdlRegisterProtoHook(cmd_oida, "OIDA", "List all OpenIDs in the database");
+ }
+ CtdlRegisterSessionHook(openid_cleanup_function, EVT_LOGOUT);
CtdlRegisterUserHook(openid_purge, EVT_PURGEUSER);
}
/* return our Subversion id for the Log */
return "$Id$";
}
-
-
-/* FIXME ... we have to add the new openid database to serv_vandelay.c */
-
projects / citadel.git / blobdiff