/*
* Server functions which perform operations on user objects.
*
- * Copyright (c) 1987-2016 by the citadel.org team
+ * Copyright (c) 1987-2020 by the citadel.org team
*
* This program is open source software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License, version 3.
* GNU General Public License for more details.
*/
+#include <stdlib.h>
+#include <unistd.h>
#include "sysdep.h"
#include <stdio.h>
+#include <sys/stat.h>
#include <libcitadel.h>
-
#include "control.h"
#include "support.h"
#include "citserver.h"
/*
- * CtdlGetUser() - retrieve named user into supplied buffer.
- * returns 0 on success
+ * makeuserkey() - convert a username into the format used as a database key
+ * "key" must be a buffer of at least USERNAME_SIZE
+ * (Key format is the username with all non-alphanumeric characters removed, and converted to lower case.)
*/
-int CtdlGetUserLen(struct ctdluser *usbuf, const char *name, long len)
-{
+void makeuserkey(char *key, const char *username) {
+ int i;
+ int keylen = 0;
+
+ if (IsEmptyStr(username)) {
+ key[0] = 0;
+ return;
+ }
+ int len = strlen(username);
+ for (i=0; ((i<=len) && (i<USERNAME_SIZE-1)); ++i) {
+ if (isalnum((username[i]))) {
+ key[keylen++] = tolower(username[i]);
+ }
+ }
+ key[keylen++] = 0;
+}
+
+
+/*
+ * Compare two usernames to see if they are the same user after being keyed for the database
+ * Usage is identical to strcmp()
+ */
+int CtdlUserCmp(char *s1, char *s2) {
+ char k1[USERNAME_SIZE];
+ char k2[USERNAME_SIZE];
+
+ makeuserkey(k1, s1);
+ makeuserkey(k2, s2);
+ return(strcmp(k1,k2));
+}
+
+
+/*
+ * CtdlGetUser() retrieve named user into supplied buffer.
+ * returns 0 on success
+ */
+int CtdlGetUser(struct ctdluser *usbuf, char *name)
+{
char usernamekey[USERNAME_SIZE];
struct cdbdata *cdbus;
memset(usbuf, 0, sizeof(struct ctdluser));
}
- makeuserkey(usernamekey, name, len);
+ makeuserkey(usernamekey, name);
cdbus = cdb_fetch(CDB_USERS, usernamekey, strlen(usernamekey));
if (cdbus == NULL) { /* user not found */
return(1);
}
if (usbuf != NULL) {
- memcpy(usbuf, cdbus->ptr,
- ((cdbus->len > sizeof(struct ctdluser)) ?
- sizeof(struct ctdluser) : cdbus->len));
+ memcpy(usbuf, cdbus->ptr, ((cdbus->len > sizeof(struct ctdluser)) ? sizeof(struct ctdluser) : cdbus->len));
}
cdb_free(cdbus);
-
- return (0);
+ return(0);
}
-int CtdlGetUser(struct ctdluser *usbuf, char *name)
-{
- return CtdlGetUserLen(usbuf, name, cutuserkey(name));
-}
-
int CtdlLockGetCurrentUser(void)
{
CitContext *CCC = CC;
-
- return CtdlGetUserLen(&CCC->user, CCC->curr_user, cutuserkey(CCC->curr_user));
+ return CtdlGetUser(&CCC->user, CCC->curr_user);
}
+
/*
* CtdlGetUserLock() - same as getuser() but locks the record
*/
if (retcode == 0) {
begin_critical_section(S_USERS);
}
- return (retcode);
+ return(retcode);
}
{
char usernamekey[USERNAME_SIZE];
- makeuserkey(usernamekey,
- usbuf->fullname,
- cutuserkey(usbuf->fullname));
-
+ makeuserkey(usernamekey, usbuf->fullname);
usbuf->version = REV_LEVEL;
- cdb_store(CDB_USERS,
- usernamekey, strlen(usernamekey),
- usbuf, sizeof(struct ctdluser));
-
+ cdb_store(CDB_USERS, usernamekey, strlen(usernamekey), usbuf, sizeof(struct ctdluser));
}
+
void CtdlPutCurrentUserLock()
{
CtdlPutUser(&CC->user);
}
-
/*
* rename_user() - this is tricky because the user's display name is the database key
*
char newnamekey[USERNAME_SIZE];
/* Create the database keys... */
- makeuserkey(oldnamekey, oldname, cutuserkey(oldname));
- makeuserkey(newnamekey, newname, cutuserkey(newname));
+ makeuserkey(oldnamekey, oldname);
+ makeuserkey(newnamekey, newname);
/* Lock up and get going */
begin_critical_section(S_USERS);
if (CtdlGetUser(&usbuf, oldname) != 0) {
retcode = RENAMEUSER_NOT_FOUND;
}
-
else { /* Sanity checks succeeded. Now rename the user. */
- if (usbuf.usernum == 0)
- {
- CONM_syslog(LOG_DEBUG, "Can not rename user \"Citadel\".\n");
+ if (usbuf.usernum == 0) {
+ syslog(LOG_DEBUG, "user_ops: can not rename user \"Citadel\".");
retcode = RENAMEUSER_NOT_FOUND;
} else {
- CON_syslog(LOG_DEBUG, "Renaming <%s> to <%s>\n", oldname, newname);
+ syslog(LOG_DEBUG, "user_ops: renaming <%s> to <%s>", oldname, newname);
cdb_delete(CDB_USERS, oldnamekey, strlen(oldnamekey));
safestrncpy(usbuf.fullname, newname, sizeof usbuf.fullname);
CtdlPutUser(&usbuf);
- cdb_store(CDB_USERSBYNUMBER, &usbuf.usernum, sizeof(long),
- usbuf.fullname, strlen(usbuf.fullname)+1 );
-
+ cdb_store(CDB_USERSBYNUMBER, &usbuf.usernum, sizeof(long), usbuf.fullname, strlen(usbuf.fullname)+1 );
retcode = RENAMEUSER_OK;
}
}
}
+/*
+ * Convert a username into the format used as a database key prior to version 928
+ * This only gets called by reindex_user_928()
+ */
+void makeuserkey_pre928(char *key, const char *username) {
+ int i;
+
+ int len = strlen(username);
+
+ if (len >= USERNAME_SIZE) {
+ syslog(LOG_INFO, "Username too long: %s", username);
+ len = USERNAME_SIZE - 1;
+ }
+ for (i=0; i<=len; ++i) {
+ key[i] = tolower(username[i]);
+ }
+}
+
+
+/*
+ * Read a user record using the pre-v928 index format, and write it back using the v928-and-higher index format.
+ * This ONLY gets called during an upgrade from version <928 to version >=928.
+ */
+void reindex_user_928(char *username, void *out_data) {
+
+ char oldkey[USERNAME_SIZE];
+ char newkey[USERNAME_SIZE];
+ struct cdbdata *cdbus;
+ struct ctdluser usbuf;
+
+ makeuserkey_pre928(oldkey, username);
+ makeuserkey(newkey, username);
+
+ syslog(LOG_DEBUG, "user_ops: reindex_user_928: %s <%s> --> <%s>", username, oldkey, newkey);
+
+ // Fetch the user record using the old index format
+ cdbus = cdb_fetch(CDB_USERS, oldkey, strlen(oldkey));
+ if (cdbus == NULL) {
+ syslog(LOG_INFO, "user_ops: <%s> not found, were they already reindexed?", username);
+ return;
+ }
+ memcpy(&usbuf, cdbus->ptr, ((cdbus->len > sizeof(struct ctdluser)) ? sizeof(struct ctdluser) : cdbus->len));
+ cdb_free(cdbus);
+
+ // delete the old record
+ cdb_delete(CDB_USERS, oldkey, strlen(oldkey));
+
+ // write the new record
+ cdb_store(CDB_USERS, newkey, strlen(newkey), &usbuf, sizeof(struct ctdluser));
+}
+
/*
* Index-generating function used by Ctdl[Get|Set]Relationship
long RoomGen,
long UserID)
{
-
struct {
long iRoomID;
long iRoomGen;
TheIndex.iUserID = UserID;
memcpy(IndexBuf, &TheIndex, sizeof(TheIndex));
- return (sizeof(TheIndex));
+ return(sizeof(TheIndex));
}
-
/*
* Back end for CtdlSetRelationship()
*/
memset (IndexBuf, 0, sizeof (IndexBuf));
/* Generate an index */
- IndexLen = GenerateRelationshipIndex(IndexBuf,
- newvisit->v_roomnum,
- newvisit->v_roomgen,
- newvisit->v_usernum);
+ IndexLen = GenerateRelationshipIndex(IndexBuf, newvisit->v_roomnum, newvisit->v_roomgen, newvisit->v_usernum);
/* Store the record */
cdb_store(CDB_VISIT, IndexBuf, IndexLen,
}
-
-
/*
* Define a relationship between a user and a room
*/
-void CtdlSetRelationship(visit *newvisit,
- struct ctdluser *rel_user,
- struct ctdlroom *rel_room)
-{
-
-
+void CtdlSetRelationship(visit *newvisit, struct ctdluser *rel_user, struct ctdlroom *rel_room) {
/* We don't use these in Citadel because they're implicit by the
* index, but they must be present if the database is exported.
*/
put_visit(newvisit);
}
+
/*
* Locate a relationship between a user and a room
*/
-void CtdlGetRelationship(visit *vbuf,
- struct ctdluser *rel_user,
- struct ctdlroom *rel_room)
-{
-
+void CtdlGetRelationship(visit *vbuf, struct ctdluser *rel_user, struct ctdlroom *rel_room) {
char IndexBuf[32];
int IndexLen;
struct cdbdata *cdbvisit;
/* Generate an index */
- IndexLen = GenerateRelationshipIndex(IndexBuf,
- rel_room->QRnumber,
- rel_room->QRgen,
- rel_user->usernum);
+ IndexLen = GenerateRelationshipIndex(IndexBuf, rel_room->QRnumber, rel_room->QRgen, rel_user->usernum);
/* Clear out the buffer */
memset(vbuf, 0, sizeof(visit));
cdbvisit = cdb_fetch(CDB_VISIT, IndexBuf, IndexLen);
if (cdbvisit != NULL) {
- memcpy(vbuf, cdbvisit->ptr,
- ((cdbvisit->len > sizeof(visit)) ?
- sizeof(visit) : cdbvisit->len));
+ memcpy(vbuf, cdbvisit->ptr, ((cdbvisit->len > sizeof(visit)) ? sizeof(visit) : cdbvisit->len));
cdb_free(cdbvisit);
}
else {
return(0);
}
+
/*
* Convenience function.
*/
{
if (CC->internal_pgm) return(0);
if (required_level >= ac_internal) {
- cprintf("%d This is not a user-level command.\n",
- ERROR + HIGHER_ACCESS_REQUIRED);
+ cprintf("%d This is not a user-level command.\n", ERROR + HIGHER_ACCESS_REQUIRED);
return(-1);
}
}
-
/*
* Is the user currently logged in an Admin?
*/
int is_aide(void)
{
if (CC->user.axlevel >= AxAideU)
- return (1);
+ return(1);
else
- return (0);
+ return(0);
}
{
if (!CC->logged_in) {
- return (0);
+ return(0);
}
- if ((CC->user.axlevel >= AxAideU)
- || (CC->room.QRroomaide == CC->user.usernum)) {
- return (1);
+ if ((CC->user.axlevel >= AxAideU) || (CC->room.QRroomaide == CC->user.usernum)) {
+ return(1);
} else {
- return (0);
+ return(0);
}
}
+
/*
* CtdlGetUserByNumber() - get user by number
* returns 0 if user was found
cdbun = cdb_fetch(CDB_USERSBYNUMBER, &number, sizeof(long));
if (cdbun == NULL) {
- CON_syslog(LOG_INFO, "User %ld not found\n", number);
+ syslog(LOG_INFO, "user_ops: %ld not found", number);
return(-1);
}
- CON_syslog(LOG_INFO, "User %ld maps to %s\n", number, cdbun->ptr);
+ syslog(LOG_INFO, "user_ops: %ld maps to %s", number, cdbun->ptr);
r = CtdlGetUser(usbuf, cdbun->ptr);
cdb_free(cdbun);
return(r);
}
+
/*
* Helper function for rebuild_usersbynumber()
*/
-void rebuild_ubn_for_user(struct ctdluser *usbuf, void *data) {
-
- struct ubnlist {
- struct ubnlist *next;
- char username[USERNAME_SIZE];
- long usernum;
- };
-
- static struct ubnlist *u = NULL;
- struct ubnlist *ptr = NULL;
-
- /* Lazy programming here. Call this function as a ForEachUser backend
- * in order to queue up the room names, or call it with a null user
- * to make it do the processing.
- */
- if (usbuf != NULL) {
- ptr = (struct ubnlist *) malloc(sizeof (struct ubnlist));
- if (ptr == NULL) return;
-
- ptr->usernum = usbuf->usernum;
- safestrncpy(ptr->username, usbuf->fullname, sizeof ptr->username);
- ptr->next = u;
- u = ptr;
- return;
- }
-
- while (u != NULL) {
- CON_syslog(LOG_DEBUG, "Rebuilding usersbynumber index %10ld : %s\n",
- u->usernum, u->username);
- cdb_store(CDB_USERSBYNUMBER, &u->usernum, sizeof(long), u->username, strlen(u->username)+1);
+void rebuild_ubn_for_user(char *username, void *data) {
+ struct ctdluser u;
- ptr = u;
- u = u->next;
- free(ptr);
+ syslog(LOG_DEBUG, "user_ops: rebuilding usersbynumber index for %s", username);
+ if (CtdlGetUser(&u, username) == 0) {
+ cdb_store(CDB_USERSBYNUMBER, &(u.usernum), sizeof(long), u.fullname, strlen(u.fullname)+1);
}
}
-
/*
* Rebuild the users-by-number index
*/
void rebuild_usersbynumber(void) {
cdb_trunc(CDB_USERSBYNUMBER); /* delete the old indices */
ForEachUser(rebuild_ubn_for_user, NULL); /* enumerate the users */
- rebuild_ubn_for_user(NULL, NULL); /* and index them */
}
-
/*
- * getuserbyuid() - get user by system uid (for PAM mode authentication)
- * returns 0 if user was found
- *
- * WARNING: don't use this function unless you absolutely have to. It does
- * a sequential search and therefore is computationally expensive.
+ * getuserbyuid() Get user by system uid (for PAM mode authentication)
+ * Returns 0 if user was found
+ * This now uses an extauth index.
*/
int getuserbyuid(struct ctdluser *usbuf, uid_t number)
{
- struct cdbdata *cdbus;
+ struct cdbdata *cdbextauth;
+ long usernum = 0;
+ StrBuf *claimed_id;
+
+ claimed_id = NewStrBuf();
+ StrBufPrintf(claimed_id, "uid:%d", number);
+ cdbextauth = cdb_fetch(CDB_EXTAUTH, ChrPtr(claimed_id), StrLength(claimed_id));
+ FreeStrBuf(&claimed_id);
+ if (cdbextauth == NULL) {
+ return(-1);
+ }
- cdb_rewind(CDB_USERS);
+ memcpy(&usernum, cdbextauth->ptr, sizeof(long));
+ cdb_free(cdbextauth);
- while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
- memset(usbuf, 0, sizeof(struct ctdluser));
- memcpy(usbuf, cdbus->ptr,
- ((cdbus->len > sizeof(struct ctdluser)) ?
- sizeof(struct ctdluser) : cdbus->len));
- cdb_free(cdbus);
- if (usbuf->uid == number) {
- cdb_close_cursor(CDB_USERS);
- return (0);
- }
+ if (!CtdlGetUserByNumber(usbuf, usernum)) {
+ return(0);
}
- return (-1);
+
+ return(-1);
}
+
/*
* Back end for cmd_user() and its ilk
- *
- * NOTE: "authname" should only be used if we are attempting to use the "master user" feature
*/
-int CtdlLoginExistingUser(char *authname, const char *trythisname)
+int CtdlLoginExistingUser(const char *trythisname)
{
char username[SIZ];
int found_user;
- long len;
- CON_syslog(LOG_DEBUG, "CtdlLoginExistingUser(%s, %s)\n", authname, trythisname);
+ syslog(LOG_DEBUG, "user_ops: CtdlLoginExistingUser(%s)", trythisname);
if ((CC->logged_in)) {
return login_already_logged_in;
if (!strncasecmp(trythisname, "SYS_", 4))
{
- CON_syslog(LOG_DEBUG, "System user \"%s\" is not allowed to log in.\n", trythisname);
+ syslog(LOG_DEBUG, "user_ops: system user \"%s\" is not allowed to log in.", trythisname);
return login_not_found;
}
- /* If a "master user" is defined, handle its authentication if specified */
- CC->is_master = 0;
- if ( (!IsEmptyStr(CtdlGetConfigStr("c_master_user"))) &&
- (!IsEmptyStr(CtdlGetConfigStr("c_master_pass"))) &&
- (authname != NULL) &&
- (!strcasecmp(authname, CtdlGetConfigStr("c_master_user"))) )
- {
- CC->is_master = 1;
- }
-
/* Continue attempting user validation... */
safestrncpy(username, trythisname, sizeof (username));
striplt(username);
- len = cutuserkey(username);
if (IsEmptyStr(username)) {
return login_not_found;
struct passwd *tempPwdPtr;
char pwdbuffer[256];
- CON_syslog(LOG_DEBUG, "asking host about <%s>\n", username);
+ syslog(LOG_DEBUG, "user_ops: asking host about <%s>", username);
#ifdef HAVE_GETPWNAM_R
#ifdef SOLARIS_GETPWUID
- CON_syslog(LOG_DEBUG, "Calling getpwnam_r()\n");
+ syslog(LOG_DEBUG, "user_ops: calling getpwnam_r()");
tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer);
#else // SOLARIS_GETPWUID
- CONM_syslog(LOG_DEBUG, "Calling getpwnam_r()\n");
+ syslog(LOG_DEBUG, "user_ops: calling getpwnam_r()");
getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
#endif // SOLARIS_GETPWUID
#else // HAVE_GETPWNAM_R
- CON_syslog(LOG_DEBUG, "SHOULD NEVER GET HERE!!!\n");
+ syslog(LOG_DEBUG, "user_ops: SHOULD NEVER GET HERE!!!");
tempPwdPtr = NULL;
#endif // HAVE_GETPWNAM_R
if (tempPwdPtr == NULL) {
- CON_syslog(LOG_DEBUG, "no such user <%s>\n", username);
+ syslog(LOG_DEBUG, "user_ops: no such user <%s>", username);
return login_not_found;
}
- /* Locate the associated Citadel account.
- * If not found, make one attempt to create it.
- */
+ /* Locate the associated Citadel account. If not found, make one attempt to create it. */
found_user = getuserbyuid(&CC->user, pd.pw_uid);
- CON_syslog(LOG_DEBUG, "found it: uid=%ld, gecos=%s here: %d\n",
- (long)pd.pw_uid, pd.pw_gecos, found_user);
if (found_user != 0) {
- len = cutuserkey(username);
- create_user(username, len, 0);
+ create_user(username, CREATE_USER_DO_NOT_BECOME_USER, pd.pw_uid);
found_user = getuserbyuid(&CC->user, pd.pw_uid);
}
+ syslog(LOG_DEBUG, "user_ops: found it: uid=%ld, gecos=%s here: %d", (long)pd.pw_uid, pd.pw_gecos, found_user);
}
char ldap_cn[256];
char ldap_dn[256];
- found_user = CtdlTryUserLDAP(username, ldap_dn, sizeof ldap_dn, ldap_cn, sizeof ldap_cn, &ldap_uid, 0);
+ found_user = CtdlTryUserLDAP(username, ldap_dn, sizeof ldap_dn, ldap_cn, sizeof ldap_cn, &ldap_uid);
if (found_user != 0) {
return login_not_found;
}
found_user = getuserbyuid(&CC->user, ldap_uid);
if (found_user != 0) {
- create_user(username, len, 0);
+ create_user(ldap_cn, CREATE_USER_DO_NOT_BECOME_USER, ldap_uid);
found_user = getuserbyuid(&CC->user, ldap_uid);
}
/* First, try to log in as if the supplied name is a display name */
found_user = CtdlGetUser(&CC->user, username);
- /* If that didn't work, try to log in as if the supplied name
- * is an e-mail address
- */
+ /* If that didn't work, try to log in as if the supplied name * is an e-mail address */
if (found_user != 0) {
valid = validate_recipients(username, NULL, 0);
if (valid != NULL) {
if (((CC->nologin)) && (CC->user.axlevel < AxAideU)) {
return login_too_many_users;
} else {
- safestrncpy(CC->curr_user, CC->user.fullname,
- sizeof CC->curr_user);
+ safestrncpy(CC->curr_user, CC->user.fullname, sizeof CC->curr_user);
return login_ok;
}
}
}
-
-
-
/*
* session startup code which is common to both cmd_pass() and cmd_newu()
*/
void do_login(void)
{
- struct CitContext *CCC = CC;
+ CC->logged_in = 1;
+ syslog(LOG_NOTICE, "user_ops: <%s> logged in", CC->curr_user);
- CCC->logged_in = 1;
- CON_syslog(LOG_NOTICE, "<%s> logged in\n", CCC->curr_user);
-
- CtdlGetUserLock(&CCC->user, CCC->curr_user);
- ++(CCC->user.timescalled);
- CCC->previous_login = CCC->user.lastcall;
- time(&CCC->user.lastcall);
+ CtdlGetUserLock(&CC->user, CC->curr_user);
+ ++(CC->user.timescalled);
+ CC->previous_login = CC->user.lastcall;
+ time(&CC->user.lastcall);
/* If this user's name is the name of the system administrator
* (as specified in setup), automatically assign access level 6.
*/
- if (!strcasecmp(CCC->user.fullname, CtdlGetConfigStr("c_sysadm"))) {
- CCC->user.axlevel = AxAideU;
+ if ( (!IsEmptyStr(CtdlGetConfigStr("c_sysadm"))) && (!strcasecmp(CC->user.fullname, CtdlGetConfigStr("c_sysadm"))) ) {
+ CC->user.axlevel = AxAideU;
}
- /* If we're authenticating off the host system, automatically give
- * root the highest level of access.
- */
+ /* If we're authenticating off the host system, automatically give root the highest level of access. */
if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_HOST) {
- if (CCC->user.uid == 0) {
- CCC->user.axlevel = AxAideU;
+ if (CC->user.uid == 0) {
+ CC->user.axlevel = AxAideU;
+ }
+ }
+ CtdlPutUserLock(&CC->user);
+
+ /* If we are using LDAP authentication, extract the user's email addresses from the directory. */
+#ifdef HAVE_LDAP
+ if ((CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP) || (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP_AD)) {
+ char new_emailaddrs[512];
+ if (CtdlGetConfigInt("c_ldap_sync_email_addrs") > 0) {
+ if (extract_email_addresses_from_ldap(CC->ldap_dn, new_emailaddrs) == 0) {
+ CtdlSetEmailAddressesForUser(CC->user.fullname, new_emailaddrs);
+ }
}
}
+#endif
- CtdlPutUserLock(&CCC->user);
+ /* If the user does not have any email addresses assigned, generate one. */
+ if (IsEmptyStr(CC->user.emailaddrs)) {
+ AutoGenerateEmailAddressForUser(&CC->user);
+ }
+
+ /* Populate the user principal identity, which is consistent and never aliased */
+ strcpy(CC->cs_principal_id, "");
+ makeuserkey(CC->cs_principal_id, CC->user.fullname);
+ strcat(CC->cs_principal_id, "@");
+ strcat(CC->cs_principal_id, CtdlGetConfigStr("c_fqdn"));
/*
- * Populate CCC->cs_inet_email with a default address. This will be
- * overwritten with the user's directory address, if one exists, when
- * the vCard module's login hook runs.
+ * Populate cs_inet_email and cs_inet_other_emails with valid email addresses from the user record
*/
- snprintf(CCC->cs_inet_email, sizeof CCC->cs_inet_email, "%s@%s",
- CCC->user.fullname, CtdlGetConfigStr("c_fqdn"));
- convert_spaces_to_underscores(CCC->cs_inet_email);
+ strcpy(CC->cs_inet_email, CC->user.emailaddrs);
+ char *firstsep = strstr(CC->cs_inet_email, "|");
+ if (firstsep) {
+ strcpy(CC->cs_inet_other_emails, firstsep+1);
+ *firstsep = 0;
+ }
+ else {
+ CC->cs_inet_other_emails[0] = 0;
+ }
/* Create any personal rooms required by the system.
* (Technically, MAILROOM should be there already, but just in case...)
CIT_OK, CC->user.fullname, CC->user.axlevel,
CC->user.timescalled, CC->user.posted,
CC->user.flags, CC->user.usernum,
- CC->previous_login);
+ CC->previous_login
+ );
}
-
void CtdlUserLogout(void)
{
CitContext *CCC = MyContext();
- CON_syslog(LOG_DEBUG, "CtdlUserLogout() logging out <%s> from session %d",
- CCC->curr_user, CCC->cs_pid
- );
+ syslog(LOG_DEBUG, "user_ops: CtdlUserLogout() logging out <%s> from session %d", CCC->curr_user, CCC->cs_pid);
/* Run any hooks registered by modules... */
PerformSessionHooks(EVT_LOGOUT);
* since it's possible to log in again without reconnecting, we cannot
* make that assumption.
*/
- strcpy(CCC->fake_username, "");
- strcpy(CCC->fake_hostname, "");
- strcpy(CCC->fake_roomname, "");
CCC->logged_in = 0;
- /* Check to see if the user was deleted whilst logged in and purge them if necessary */
- if ((CCC->user.axlevel == AxDeleted) && (CCC->user.usernum))
+ /* Check to see if the user was deleted while logged in and purge them if necessary */
+ if ((CCC->user.axlevel == AxDeleted) && (CCC->user.usernum)) {
purge_user(CCC->user.fullname);
+ }
/* Clear out the user record in memory so we don't behave like a ghost */
memset(&CCC->user, 0, sizeof(struct ctdluser));
CCC->curr_user[0] = 0;
- CCC->is_master = 0;
CCC->cs_inet_email[0] = 0;
CCC->cs_inet_other_emails[0] = 0;
CCC->cs_inet_fn[0] = 0;
- CCC->fake_username[0] = 0;
- CCC->fake_hostname[0] = 0;
- CCC->fake_roomname[0] = 0;
-
/* Free any output buffers */
unbuffer_output();
int rv = 0;
if (IsEmptyStr(pass)) {
- CON_syslog(LOG_DEBUG, "Refusing to chkpwd for uid=%d with empty password.\n", uid);
+ syslog(LOG_DEBUG, "user_ops: refusing to chkpwd for uid=%d with empty password", uid);
return 0;
}
- CON_syslog(LOG_DEBUG, "Validating password for uid=%d using chkpwd...\n", uid);
+ syslog(LOG_DEBUG, "user_ops: validating password for uid=%d using chkpwd...", uid);
begin_critical_section(S_CHKPWD);
rv = write(chkpwd_write_pipe[1], &uid, sizeof(uid_t));
if (rv == -1) {
- CON_syslog(LOG_EMERG, "Communicatino with chkpwd broken: %s\n", strerror(errno));
+ syslog(LOG_ERR, "user_ops: communication with chkpwd broken: %m");
end_critical_section(S_CHKPWD);
return 0;
}
rv = write(chkpwd_write_pipe[1], pass, 256);
if (rv == -1) {
- CON_syslog(LOG_EMERG, "Communicatino with chkpwd broken: %s\n", strerror(errno));
+ syslog(LOG_ERR, "user_ops: communication with chkpwd broken: %m");
end_critical_section(S_CHKPWD);
return 0;
}
rv = read(chkpwd_read_pipe[0], buf, 4);
if (rv == -1) {
- CON_syslog(LOG_EMERG, "Communicatino with chkpwd broken: %s\n", strerror(errno));
+ syslog(LOG_ERR, "user_ops: ommunication with chkpwd broken: %m");
end_critical_section(S_CHKPWD);
return 0;
}
end_critical_section(S_CHKPWD);
if (!strncmp(buf, "PASS", 4)) {
- CONM_syslog(LOG_DEBUG, "...pass\n");
+ syslog(LOG_DEBUG, "user_ops: chkpwd pass");
return(1);
}
- CONM_syslog(LOG_DEBUG, "...fail\n");
+ syslog(LOG_DEBUG, "user_ops: chkpwd fail");
return 0;
}
+
/*
* Start up the chkpwd daemon so validpw() has something to talk to
*/
struct stat filestats;
int i;
- CONM_syslog(LOG_DEBUG, "Starting chkpwd daemon for host authentication mode\n");
+ syslog(LOG_DEBUG, "user_ops: starting chkpwd daemon for host authentication mode");
- if ((stat(file_chkpwd, &filestats)==-1) ||
- (filestats.st_size==0)){
- printf("didn't find chkpwd daemon in %s: %s\n", file_chkpwd, strerror(errno));
+ if ((stat(file_chkpwd, &filestats)==-1) || (filestats.st_size==0)) {
+ syslog(LOG_ERR, "user_ops: %s: %m", file_chkpwd);
abort();
}
if (pipe(chkpwd_write_pipe) != 0) {
- CON_syslog(LOG_EMERG, "Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
+ syslog(LOG_ERR, "user_ops: unable to create pipe for chkpwd daemon: %m");
abort();
}
if (pipe(chkpwd_read_pipe) != 0) {
- CON_syslog(LOG_EMERG, "Unable to create pipe for chkpwd daemon: %s\n", strerror(errno));
+ syslog(LOG_ERR, "user_ops: unable to create pipe for chkpwd daemon: %m");
abort();
}
chkpwd_pid = fork();
if (chkpwd_pid < 0) {
- CON_syslog(LOG_EMERG, "Unable to fork chkpwd daemon: %s\n", strerror(errno));
+ syslog(LOG_ERR, "user_ops: unable to fork chkpwd daemon: %m");
abort();
}
if (chkpwd_pid == 0) {
- CONM_syslog(LOG_DEBUG, "Now calling dup2() write\n");
dup2(chkpwd_write_pipe[0], 0);
- CONM_syslog(LOG_DEBUG, "Now calling dup2() write\n");
dup2(chkpwd_read_pipe[1], 1);
- CONM_syslog(LOG_DEBUG, "Now closing stuff\n");
for (i=2; i<256; ++i) close(i);
- CON_syslog(LOG_DEBUG, "Now calling execl(%s)\n", file_chkpwd);
execl(file_chkpwd, file_chkpwd, NULL);
- CON_syslog(LOG_EMERG, "Unable to exec chkpwd daemon: %s\n", strerror(errno));
+ syslog(LOG_ERR, "user_ops: unable to exec chkpwd daemon: %m");
abort();
exit(errno);
}
CitContext *CCC = CC;
if ((CCC->logged_in)) {
- CONM_syslog(LOG_WARNING, "CtdlTryPassword: already logged in\n");
+ syslog(LOG_WARNING, "user_ops: CtdlTryPassword: already logged in");
return pass_already_logged_in;
}
if (!strcmp(CCC->curr_user, NLI)) {
- CONM_syslog(LOG_WARNING, "CtdlTryPassword: no user selected\n");
+ syslog(LOG_WARNING, "user_ops: CtdlTryPassword: no user selected");
return pass_no_user;
}
if (CtdlGetUser(&CCC->user, CCC->curr_user)) {
- CONM_syslog(LOG_ERR, "CtdlTryPassword: internal error\n");
+ syslog(LOG_ERR, "user_ops: CtdlTryPassword: internal error");
return pass_internal_error;
}
if (password == NULL) {
- CONM_syslog(LOG_INFO, "CtdlTryPassword: NULL password string supplied\n");
+ syslog(LOG_INFO, "user_ops: CtdlTryPassword: NULL password string supplied");
return pass_wrong_password;
}
- if (CCC->is_master) {
- code = strcmp(password, CtdlGetConfigStr("c_master_pass"));
- }
-
else if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_HOST) {
/* host auth mode */
/*
* (sooper-seekrit hack ends here)
*/
-
}
else {
code = (-1);
if (!code) {
do_login();
return pass_ok;
- } else {
- CON_syslog(LOG_WARNING, "Bad password specified for <%s> Service <%s> Port <%ld> Remote <%s / %s>\n",
- CCC->curr_user,
- CCC->ServiceName,
- CCC->tcp_port,
- CCC->cs_host,
- CCC->cs_addr);
-
-
-//citserver[5610]: Bad password specified for <willi> Service <citadel-TCP> Remote <PotzBlitz / >
-
+ }
+ else {
+ syslog(LOG_WARNING, "user_ops: bad password specified for <%s> Service <%s> Port <%ld> Remote <%s / %s>",
+ CCC->curr_user,
+ CCC->ServiceName,
+ CCC->tcp_port,
+ CCC->cs_host,
+ CCC->cs_addr
+ );
return pass_wrong_password;
}
}
-
-
/*
* Delete a user record *and* all of its related resources.
*/
int purge_user(char pname[])
{
- char filename[64];
struct ctdluser usbuf;
char usernamekey[USERNAME_SIZE];
- makeuserkey(usernamekey, pname, cutuserkey(pname));
+ makeuserkey(usernamekey, pname);
/* If the name is empty we can't find them in the DB any way so just return */
- if (IsEmptyStr(pname))
- return (ERROR + NO_SUCH_USER);
+ if (IsEmptyStr(pname)) {
+ return(ERROR + NO_SUCH_USER);
+ }
if (CtdlGetUser(&usbuf, pname) != 0) {
- CON_syslog(LOG_ERR, "Cannot purge user <%s> - not found\n", pname);
- return (ERROR + NO_SUCH_USER);
+ syslog(LOG_ERR, "user_ops: cannot purge user <%s> - not found", pname);
+ return(ERROR + NO_SUCH_USER);
}
+
/* Don't delete a user who is currently logged in. Instead, just
* set the access level to 0, and let the account get swept up
* during the next purge.
*/
if (CtdlIsUserLoggedInByNum(usbuf.usernum)) {
- CON_syslog(LOG_WARNING, "User <%s> is logged in; not deleting.\n", pname);
+ syslog(LOG_WARNING, "user_ops: <%s> is logged in; not deleting", pname);
usbuf.axlevel = AxDeleted;
CtdlPutUser(&usbuf);
- return (1);
+ return(1);
}
- CON_syslog(LOG_NOTICE, "Deleting user <%s>\n", pname);
-/*
- * FIXME:
- * This should all be wrapped in a S_USERS mutex.
- * Without the mutex the user could log in before we get to the next function
- * That would truly mess things up :-(
- * I would like to see the S_USERS start before the CtdlIsUserLoggedInByNum() above
- * and end after the user has been deleted from the database, below.
- * Question is should we enter the EVT_PURGEUSER whilst S_USERS is active?
- */
+ syslog(LOG_NOTICE, "user_ops: deleting <%s>", pname);
/* Perform any purge functions registered by server extensions */
PerformUserHooks(&usbuf, EVT_PURGEUSER);
/* delete the userlog entry */
cdb_delete(CDB_USERS, usernamekey, strlen(usernamekey));
- /* remove the user's picture */
- snprintf(filename,
- sizeof filename,
- "%s/%ld.gif",
- ctdl_image_dir,
- usbuf.usernum);
- unlink(filename);
-
- return (0);
+ return(0);
}
-int internal_create_user (const char *username, long len, struct ctdluser *usbuf, uid_t uid)
+int internal_create_user(char *username, struct ctdluser *usbuf, uid_t uid)
{
- if (!CtdlGetUserLen(usbuf, username, len)) {
- return (ERROR + ALREADY_EXISTS);
+ if (!CtdlGetUser(usbuf, username)) {
+ return(ERROR + ALREADY_EXISTS);
}
/* Go ahead and initialize a new user record */
CtdlPutUser(usbuf);
cdb_store(CDB_USERSBYNUMBER, &usbuf->usernum, sizeof(long), usbuf->fullname, strlen(usbuf->fullname)+1);
- return 0;
-}
+ /* If non-native auth, index by uid */
+ if ((usbuf->uid > 0) && (usbuf->uid != NATIVE_AUTH_UID)) {
+ StrBuf *claimed_id = NewStrBuf();
+ StrBufPrintf(claimed_id, "uid:%d", usbuf->uid);
+ attach_extauth(usbuf, claimed_id);
+ FreeStrBuf(&claimed_id);
+ }
+ return(0);
+}
/*
* create_user() - back end processing to create a new user
*
* Set 'newusername' to the desired account name.
- * Set 'become_user' to nonzero if this is self-service account creation and we want
- * to actually log in as the user we just created, otherwise set it to 0.
+ * Set 'become_user' to CREATE_USER_BECOME_USER if this is self-service account creation and we want to
+ * actually log in as the user we just created, otherwise set it to CREATE_USER_DO_NOT_BECOME_USER
+ * Set 'uid' to some uid_t value to associate the account with an external auth user, or (-1) for native auth
*/
-int create_user(const char *newusername, long len, int become_user)
+int create_user(char *username, int become_user, uid_t uid)
{
struct ctdluser usbuf;
struct ctdlroom qrbuf;
- char username[256];
char mailboxname[ROOMNAMELEN];
char buf[SIZ];
int retval;
- uid_t uid = (-1);
-
- safestrncpy(username, newusername, sizeof username);
strproc(username);
-
-
- if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_HOST) {
-
- /* host auth mode */
-
- struct passwd pd;
- struct passwd *tempPwdPtr;
- char pwdbuffer[SIZ];
-
-#ifdef HAVE_GETPWNAM_R
-#ifdef SOLARIS_GETPWUID
- tempPwdPtr = getpwnam_r(username, &pd, pwdbuffer, sizeof(pwdbuffer));
-#else // SOLARIS_GETPWUID
- getpwnam_r(username, &pd, pwdbuffer, sizeof pwdbuffer, &tempPwdPtr);
-#endif // SOLARIS_GETPWUID
-#else // HAVE_GETPWNAM_R
- tempPwdPtr = NULL;
-#endif // HAVE_GETPWNAM_R
- if (tempPwdPtr != NULL) {
- extract_token(username, pd.pw_gecos, 0, ',', sizeof username);
- uid = pd.pw_uid;
- if (IsEmptyStr (username))
- {
- safestrncpy(username, pd.pw_name, sizeof username);
- len = cutuserkey(username);
- }
- }
- else {
- return (ERROR + NO_SUCH_USER);
- }
+ if ((retval = internal_create_user(username, &usbuf, uid)) != 0) {
+ return retval;
}
-#ifdef HAVE_LDAP
- if ((CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP) || (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP_AD)) {
- if (CtdlTryUserLDAP(username, NULL, 0, username, sizeof username, &uid, 0) != 0) {
- return(ERROR + NO_SUCH_USER);
- }
- }
-#endif /* HAVE_LDAP */
-
- if ((retval = internal_create_user(username, len, &usbuf, uid)) != 0)
- return retval;
-
/*
* Give the user a private mailbox and a configuration room.
* Make the latter an invisible system room.
* creating a user, instead of doing self-service account creation
*/
- if (become_user) {
+ if (become_user == CREATE_USER_BECOME_USER) {
/* Now become the user we just created */
memcpy(&CC->user, &usbuf, sizeof(struct ctdluser));
safestrncpy(CC->curr_user, username, sizeof CC->curr_user);
/* Check to make sure we're still who we think we are */
if (CtdlGetUser(&CC->user, CC->curr_user)) {
- return (ERROR + INTERNAL_ERROR);
+ return(ERROR + INTERNAL_ERROR);
}
}
CC->cs_addr
);
CtdlAideMessage(buf, "User Creation Notice");
- CON_syslog(LOG_NOTICE, "New user <%s> created\n", username);
- return (0);
+ syslog(LOG_NOTICE, "user_ops: <%s> created", username);
+ return(0);
}
-
/*
* set password - back end api code
*/
CtdlGetUserLock(&CC->user, CC->curr_user);
safestrncpy(CC->user.password, new_pw, sizeof(CC->user.password));
CtdlPutUserLock(&CC->user);
- CON_syslog(LOG_INFO, "Password changed for user <%s>\n", CC->curr_user);
+ syslog(LOG_INFO, "user_ops: password changed for <%s>", CC->curr_user);
PerformSessionHooks(EVT_SETPASS);
}
-
-
/*
* API function for cmd_invt_kick() and anything else that needs to
* invite or kick out a user to/from a room.
(CC->logged_in ? CC->user.fullname : "an administrator")
);
CtdlAideMessage(bbb,"User Admin Message");
-
return(0);
}
/* Return to the Lobby, so we don't end up in an undefined room */
CtdlUserGoto(CtdlGetConfigStr("c_baseroom"), 0, 0, NULL, NULL, NULL, NULL);
return(0);
-
}
-
-
/*
- * Traverse the user file...
+ * Traverse the user file and perform a callback for each user record.
+ * (New improved version that runs in two phases so that callbacks can perform writes without having a r/o cursor open)
*/
-void ForEachUser(void (*CallBack) (struct ctdluser * EachUser, void *out_data),
- void *in_data)
+void ForEachUser(void (*CallBack) (char *, void *out_data), void *in_data)
{
- struct ctdluser usbuf;
struct cdbdata *cdbus;
+ struct ctdluser *usptr;
+
+ struct feu {
+ struct feu *next;
+ char username[USERNAME_SIZE];
+ };
+ struct feu *ufirst = NULL;
+ struct feu *ulast = NULL;
+ struct feu *f = NULL;
cdb_rewind(CDB_USERS);
+ // Phase 1 : build a linked list of all our user account names
while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
- memset(&usbuf, 0, sizeof(struct ctdluser));
- memcpy(&usbuf, cdbus->ptr,
- ((cdbus->len > sizeof(struct ctdluser)) ?
- sizeof(struct ctdluser) : cdbus->len));
- cdb_free(cdbus);
- (*CallBack) (&usbuf, in_data);
- }
-}
-
+ usptr = (struct ctdluser *) cdbus->ptr;
-/*
- * List one user (this works with cmd_list)
- */
-void ListThisUser(struct ctdluser *usbuf, void *data)
-{
- char *searchstring;
+ if (strlen(usptr->fullname) > 0) {
+ f = malloc(sizeof(struct feu));
+ f->next = NULL;
+ strncpy(f->username, usptr->fullname, USERNAME_SIZE);
- searchstring = (char *)data;
- if (bmstrcasestr(usbuf->fullname, searchstring) == NULL) {
- return;
+ if (ufirst == NULL) {
+ ufirst = f;
+ ulast = f;
+ }
+ else {
+ ulast->next = f;
+ ulast = f;
+ }
+ }
}
- if (usbuf->axlevel > AxDeleted) {
- if ((CC->user.axlevel >= AxAideU)
- || ((usbuf->flags & US_UNLISTED) == 0)
- || ((CC->internal_pgm))) {
- cprintf("%s|%d|%ld|%ld|%ld|%ld||\n",
- usbuf->fullname,
- usbuf->axlevel,
- usbuf->usernum,
- (long)usbuf->lastcall,
- usbuf->timescalled,
- usbuf->posted);
- }
+ // Phase 2 : perform the callback for each user while de-allocating the list
+ while (ufirst != NULL) {
+ (*CallBack) (ufirst->username, in_data);
+ f = ufirst;
+ ufirst = ufirst->next;
+ free(f);
}
}
-
-
/*
* Count the number of new mail messages the user has
*/
int NewMailCount()
{
int num_newmsgs = 0;
-
num_newmsgs = CC->newmail;
CC->newmail = 0;
-
- return (num_newmsgs);
+ return(num_newmsgs);
}
CtdlMailboxName(mailboxname, sizeof mailboxname, &CC->user, MAILROOM);
if (CtdlGetRoom(&mailbox, mailboxname) != 0)
- return (0);
+ return(0);
CtdlGetRelationship(&vbuf, &CC->user, &mailbox);
cdbfr = cdb_fetch(CDB_MSGLISTS, &mailbox.QRnumber, sizeof(long));
if (msglist != NULL)
free(msglist);
- return (num_newmsgs);
+ return(num_newmsgs);
}
-
-
-
-