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|
/* administration.c -- Functions for user account management
*
* GPLv2 only - Copyright (C) 2008 - 2012
* David Sommerseth <dazo@users.sourceforge.net>
*
* 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; version 2
* of the License.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/**
* @file useraccount.c
* @author David Sommerseth <dazo@users.sourceforge.net>
* @date 2009-09-13
*
* @brief Functions for user account management
*
*/
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include <libxml/tree.h>
#include <sqlite3.h>
#include <eurephia_nullsafe.h>
#include <eurephia_context.h>
#include <eurephia_log.h>
#include <eurephia_xml.h>
#include <eurephia_values.h>
#include <eurephiadb_session_struct.h>
#include <eurephiadb_mapping.h>
#include <passwd.h>
#ifndef DRIVER_MODE
#define DRIVER_MODE
#endif
#include <eurephiadb_driver.h>
#include "../sqlite.h"
#define FMAP_USERS /**< fieldmapping.h: Include declaration of tbl_sqlite_users */
#define FMAP_ADMINACCESS /**< fieldmapping.h: Include declaration of tbl_sqlite_eurephiaadmacc */
#include "../fieldmapping.h"
/**
* Internal function. Adds a child node named \<flag\> to an xmlNode containing a flag value
*
* @param node xmlNode pointer where to add the new flag
* @param flagname String containing a name of the flag
* @param flagged Is the flag set or not. The tag will only be added if the flag is set
*
* @return Returns the \c flagged value
*/
static inline int xml_set_flag(xmlNode *node, char *flagname, int flagged) {
if( flagged ) {
xmlNewChild(node, NULL, (xmlChar *) "flag", (xmlChar *) flagname);
}
return flagged;
}
/**
* Internal function. Retrieves information about user accounts
*
* @param ctx eurephiaCTX
* @param infoType Flags defining which information to be included in the result
* @param uinfo_map eDBfieldMap containing information needed for the new user account
* @param sortkeys String containing list of fields defining data sorting
*
* @return Returns an eurephia ResultMsg XML document with status of the operation. On fatal errors,
* NULL is returned.
*/
static xmlDoc *useracc_view(eurephiaCTX *ctx, unsigned int infoType,
eDBfieldMap *uinfo_map, const char *sortkeys)
{
dbresult *uinf = NULL, *qres = NULL;
unsigned int flag = 0, uid = 0, recid = 0;
char *username = NULL;
xmlDoc *doc = NULL;
xmlNode *root_n = NULL, *info_n = NULL;
DEBUG(ctx, 20, "Function call: eDBadminGetUserUserInfo(ctx, %i, {xmlDoc})", infoType);
assert( ctx != NULL );
if( (ctx->context_type != ECTX_ADMIN_CONSOLE) && (ctx->context_type != ECTX_ADMIN_WEB) ) {
eurephia_log(ctx, LOG_CRITICAL, 0,
"eurephia admin function call attempted with wrong context type");
return NULL;
}
// Query the database, find the user defined in the user map
uinf = sqlite_query_mapped(ctx, SQL_SELECT,
"SELECT users.username, locdt(users.activated), locdt(users.deactivated),"
" locdt(users.last_accessed), users.uid,"
" (bl.username IS NOT NULL), opensess, logincount,"
" (at.attempts > 0)"
" FROM openvpn_users users"
" LEFT JOIN openvpn_blacklist bl USING(username)"
" LEFT JOIN openvpn_attempts at ON(at.username = users.username)"
" LEFT JOIN (SELECT uid, count(*) AS logincount "
" FROM openvpn_lastlog"
" GROUP BY uid) lc"
" ON (lc.uid = users.uid)"
" LEFT JOIN (SELECT uid, count(*) > 0 AS opensess"
" FROM openvpn_lastlog"
" WHERE sessionstatus = 2"
" GROUP BY uid) os"
" ON (os.uid = users.uid)",
NULL, uinfo_map, sortkeys);
if( sqlite_query_status(uinf) != dbSUCCESS ) {
eurephia_log(ctx, LOG_ERROR, 0, "Error querying the database for a user");
info_n = sqlite_log_error_xml(ctx, uinf);
doc = eurephiaXML_ResultMsg(ctx, exmlERROR, info_n, "Failed to query the user database");
xmlFreeNode(info_n);
goto exit;
}
eurephiaXML_CreateDoc(ctx, 1, "UserAccount", &doc, &root_n);
xmlNewProp(root_n, (xmlChar *) "mode", (xmlChar *) "view");
for( recid = 0; recid < sqlite_get_numtuples(uinf); recid++ ) {
xmlNode *user_n = xmlNewChild(root_n, NULL, (xmlChar *) "Account", NULL);
assert( user_n != NULL );
sqlite_xml_value(user_n, XML_ATTR, "uid", uinf, recid, 4);
sqlite_xml_value(user_n, XML_NODE, "username", uinf, recid, 0);
uid = atoi_nullsafe(sqlite_get_value(uinf, recid, 4));
username = sqlite_get_value(uinf, recid, 0);
if( infoType & USERINFO_user ) {
info_n = xmlNewChild(user_n, NULL, (xmlChar *) "flags", NULL);
assert( info_n != NULL );
// set DEACTIVATED flag, if deactivated field is not NULL
xml_set_flag(info_n, "DEACTIVATED", (sqlite_get_value(uinf, recid, 2) != NULL));
// set BLACKLISTED flag, if username is found in blacklist table
xml_set_flag(info_n, "BLACKLISTED", (atoi_nullsafe(sqlite_get_value(uinf, recid, 5))==1));
// set OPENSESSION flag, if user has a lastlog entry with sessionstatus == 2
xml_set_flag(info_n, "OPENSESSION", (atoi_nullsafe(sqlite_get_value(uinf, recid, 6))==1));
// set ERRATTEMPT flag, if user has an entry in attempts log with attemtps > 0
xml_set_flag(info_n, "ERRATTEMPT", (atoi_nullsafe(sqlite_get_value(uinf, recid, 8))==1));
// set NEVERUSED flag, if login count == 0 and last_accessed == NULL
flag = xml_set_flag(info_n, "NEVERUSED", ((atoi_nullsafe(sqlite_get_value(uinf,0, 7))==0)
&& (sqlite_get_value(uinf, recid, 3) == NULL)));
// set RSETLASTUSED flag, if login count == 0 and last_accessed == NULL
xml_set_flag(info_n, "RSETLASTUSED", !flag && (sqlite_get_value(uinf,0,3)) == NULL);
// set RSETLOGINCNT flag, if login count == 0 and last_accessed != NULL
xml_set_flag(info_n, "RSETLOGINCNT", ((atoi_nullsafe(sqlite_get_value(uinf,0, 7))==0)
&& (sqlite_get_value(uinf,0,3)) != NULL));
sqlite_xml_value(user_n, XML_NODE, "activated", uinf, recid, 1);
sqlite_xml_value(user_n, XML_NODE, "deactivated", uinf, recid, 2);
info_n = sqlite_xml_value(user_n, XML_NODE, "last_accessed", uinf, recid, 3);
sqlite_xml_value(user_n, XML_ATTR, "logincount", uinf, recid, 7);
}
if( infoType & USERINFO_certs ) {
// Extract certificate info
qres = sqlite_query(ctx,
"SELECT depth, lower(digest), common_name, organisation, email, "
" locdt(c.registered), c.certid,"
" uc.accessprofile, access_descr,"
" fw_profile"
" FROM openvpn_certificates c"
" LEFT JOIN openvpn_usercerts uc ON (c.certid = uc.certid)"
" LEFT JOIN openvpn_accesses a "
" ON (uc.accessprofile = a.accessprofile)"
" WHERE uid = '%i' ORDER BY c.certid DESC", uid);
info_n = xmlNewChild(user_n, NULL, (xmlChar *) "certificates", NULL);
assert( info_n != NULL );
if( (sqlite_query_status(qres) == dbSUCCESS) && (sqlite_get_numtuples(qres) > 0) ) {
int i;
xmlNode *cert, *acpr;
xmlChar *tmp = NULL;
for( i = 0; i < sqlite_get_numtuples(qres); i++ ) {
cert = xmlNewChild(info_n, NULL, (xmlChar *) "certificate", NULL);
assert( cert != NULL );
sqlite_xml_value(cert, XML_ATTR, "certid", qres, i, 6);
sqlite_xml_value(cert, XML_ATTR, "depth", qres, i, 0);
sqlite_xml_value(cert, XML_ATTR, "registered", qres, i, 5);
sqlite_xml_value(cert, XML_NODE, "digest", qres, i, 1);
tmp = (xmlChar *)sqlite_get_value(qres, i, 2);
xmlReplaceChars(tmp, '_', ' ');
xmlNewChild(cert, NULL, (xmlChar *) "common_name", tmp);
tmp = (xmlChar *)sqlite_get_value(qres, i, 3);
xmlReplaceChars(tmp, '_', ' ');
xmlNewChild(cert, NULL, (xmlChar *) "organisation", tmp);
sqlite_xml_value(cert, XML_NODE, "email", qres, i, 4);
acpr = sqlite_xml_value(cert, XML_NODE, "access_profile", qres, i, 8);
sqlite_xml_value(acpr, XML_ATTR, "accessprofile", qres, i, 7);
sqlite_xml_value(acpr, XML_ATTR, "fwdestination", qres, i, 9);
}
} else if( sqlite_query_status(qres) == dbERROR ) {
sqlite_log_error(ctx, qres);
}
sqlite_free_results(qres);
}
if( infoType & USERINFO_lastlog ) {
int i = 0;
xmlNode *lastl = NULL, *sess = NULL, *tmp1 = NULL, *tmp2 = NULL;
xmlChar *tmp = NULL;
qres = sqlite_query(ctx,
"SELECT llid, ll.certid,protocol,remotehost,remoteport,macaddr,"
" vpnipaddr, vpnipmask, sessionstatus, sessionkey,"
" locdt(login), locdt(logout),"
" session_duration, locdt(session_deleted),"
" bytes_sent, bytes_received, uicid, accessprofile,"
" access_descr, fw_profile, depth, lower(digest),"
" common_name, organisation, email"
" FROM openvpn_lastlog ll"
" LEFT JOIN openvpn_usercerts USING (uid, certid)"
" LEFT JOIN openvpn_accesses USING (accessprofile)"
" LEFT JOIN openvpn_certificates cert ON(ll.certid=cert.certid)"
" WHERE uid = '%i' ORDER BY login, logout", uid);
if( sqlite_query_status(qres) != dbSUCCESS ) {
eurephia_log(ctx, LOG_ERROR, 0, "Querying the lastlog failed");
xmlFreeDoc(doc);
info_n = sqlite_log_error_xml(ctx, qres);
doc = eurephiaXML_ResultMsg(ctx, exmlERROR, info_n,
"Failed to query the lastlog");
sqlite_free_results(qres);
xmlFreeNode(info_n);
return doc;
}
lastl = xmlNewChild(user_n, NULL, (xmlChar *) "lastlog", NULL);
for( i = 0; i < sqlite_get_numtuples(qres); i++ ) {
sess = xmlNewChild(lastl, NULL, (xmlChar*) "session", NULL);
assert( sess != NULL );
sqlite_xml_value(sess, XML_ATTR, "llid", qres, i, 0);
xmlNewProp(sess, (xmlChar *) "session_status",
(xmlChar *)SESSION_STATUS[atoi_nullsafe(sqlite_get_value(qres, i, 8))]);
sqlite_xml_value(sess, XML_ATTR, "session_duration", qres, i, 12);
sqlite_xml_value(sess, XML_NODE, "sessionkey", qres, i, 9);
sqlite_xml_value(sess, XML_NODE, "login", qres, i, 10);
sqlite_xml_value(sess, XML_NODE, "logout", qres, i, 11);
sqlite_xml_value(sess, XML_NODE, "session_closed", qres, i, 13);
tmp1 = xmlNewChild(sess, NULL, (xmlChar *) "connection", NULL);
assert( tmp1 != NULL );
sqlite_xml_value(tmp1, XML_ATTR, "bytes_sent", qres, i, 14);
sqlite_xml_value(tmp1, XML_ATTR, "bytes_received", qres, i, 15);
sqlite_xml_value(tmp1, XML_NODE, "protocol", qres, i, 2);
sqlite_xml_value(tmp1, XML_NODE, "remote_host", qres, i, 3);
sqlite_xml_value(tmp1, XML_NODE, "remote_port", qres, i, 4);
sqlite_xml_value(tmp1, XML_NODE, "vpn_macaddr", qres, i, 5);
sqlite_xml_value(tmp1, XML_NODE, "vpn_ipaddr" , qres, i, 6);
sqlite_xml_value(tmp1, XML_NODE, "vpn_netmask", qres, i, 7);
tmp1 = xmlNewChild(sess, NULL, (xmlChar *) "certificate", NULL);
assert( tmp1 != NULL );
sqlite_xml_value(tmp1, XML_ATTR, "certid", qres, i, 1);
sqlite_xml_value(tmp1, XML_ATTR, "uicid", qres, i, 16);
sqlite_xml_value(tmp1, XML_ATTR, "depth", qres, i, 20);
sqlite_xml_value(tmp1, XML_NODE, "digest", qres, i, 21);
tmp = (xmlChar *)sqlite_get_value(qres, 0, 22);
xmlReplaceChars(tmp, '_', ' ');
xmlNewChild(tmp1, NULL, (xmlChar *) "common_name", tmp);
tmp = (xmlChar *)sqlite_get_value(qres, 0, 23);
xmlReplaceChars(tmp, '_', ' ');
xmlNewChild(tmp1, NULL, (xmlChar *) "organisation", tmp);
sqlite_xml_value(tmp1, XML_NODE, "email", qres, i, 24);
tmp2 = sqlite_xml_value(tmp1, XML_NODE, "access_profile", qres, i, 18);
sqlite_xml_value(tmp2, XML_ATTR, "accessprofile", qres, i, 17);
sqlite_xml_value(tmp2, XML_ATTR, "fwdestination", qres, i, 19);
}
sqlite_free_results(qres);
}
if( infoType & USERINFO_attempts ) {
xmlNode *atmpt = NULL;
qres = sqlite_query(ctx,
"SELECT attempts, locdt(registered), locdt(last_attempt), atpid"
" FROM openvpn_attempts "
" WHERE username = '%q'", username);
if( (sqlite_query_status(qres) != dbSUCCESS) || (sqlite_get_numtuples(qres) > 1) ) {
eurephia_log(ctx, LOG_ERROR, 0, "Querying for login attempts failed");
info_n = NULL;
if( sqlite_query_status(qres) == dbERROR ) {
info_n = sqlite_log_error_xml(ctx, qres);
}
xmlFreeDoc(doc);
doc = eurephiaXML_ResultMsg(ctx, exmlERROR, info_n,
"Failed to query the login attempts log");
sqlite_free_results(qres);
xmlFreeNode(info_n);
return doc;
}
atmpt = xmlNewChild(user_n, NULL, (xmlChar *) "attempts", NULL);
assert( atmpt != NULL );
if( sqlite_get_numtuples(qres) == 1 ) {
sqlite_xml_value(atmpt, XML_ATTR, "atpid", qres, 0, 3);
sqlite_xml_value(atmpt, XML_ATTR, "attempts", qres, 0, 0);
sqlite_xml_value(atmpt, XML_NODE, "first_attempt", qres, 0, 1);
sqlite_xml_value(atmpt, XML_NODE, "last_attempt", qres, 0, 2);
}
sqlite_free_results(qres);
}
if( infoType & USERINFO_blacklist ) {
xmlNode *atmpt = NULL;
qres = sqlite_query(ctx,
"SELECT locdt(registered), locdt(last_accessed), blid"
" FROM openvpn_blacklist "
" WHERE username = '%q'", username);
if( (sqlite_query_status(qres) != dbSUCCESS) || (sqlite_get_numtuples(qres) > 1) ) {
xmlFreeDoc(doc);
eurephia_log(ctx, LOG_ERROR, 0, "Querying blacklist log failed");
info_n = NULL;
if( sqlite_query_status(qres) == dbERROR ) {
info_n = sqlite_log_error_xml(ctx, qres);
}
doc = eurephiaXML_ResultMsg(ctx, exmlERROR, info_n,
"Failed to query the blacklist log");
sqlite_free_results(qres);
xmlFreeNode(info_n);
return doc;
}
atmpt = xmlNewChild(user_n, NULL, (xmlChar *) "blacklist", NULL);
assert( atmpt != NULL );
if( sqlite_get_numtuples(qres) == 1 ) {
sqlite_xml_value(atmpt, XML_ATTR, "blid", qres, 0, 2);
sqlite_xml_value(atmpt, XML_NODE, "blacklisted", qres, 0, 0);
sqlite_xml_value(atmpt, XML_NODE, "last_accessed", qres, 0, 1);
}
sqlite_free_results(qres);
}
}
exit:
sqlite_free_results(uinf);
return doc;
}
/**
* Internal function. Creates a new user account in the database.
*
* @param ctx eurephiaCTX
* @param usrinf_map eDBfieldMap containing information needed for the new user account
*
* @return Returns an eurephia ResultMsg XML document with status of the operation. On fatal errors,
* NULL is returned.
*/
static xmlDoc *useracc_add(eurephiaCTX *ctx, eDBfieldMap *usrinf_map) {
xmlDoc *res_d = NULL;
dbresult *res = NULL;
DEBUG(ctx, 21, "Function call: useracc_add(ctx, eDBfieldMap)");
assert( (ctx != NULL) && (usrinf_map != NULL) );
if( (ctx->context_type != ECTX_ADMIN_CONSOLE) && (ctx->context_type != ECTX_ADMIN_WEB) ) {
eurephia_log(ctx, LOG_CRITICAL, 0,
"eurephia admin function call attempted with wrong context type");
return NULL;
}
// Register the user
res = sqlite_query_mapped(ctx, SQL_INSERT, "INSERT INTO openvpn_users", usrinf_map, NULL, NULL);
if( (sqlite_query_status(res) != dbSUCCESS) || (sqlite_get_affected_rows(res) == 0) ) {
xmlNode *err_n = NULL;
eurephia_log(ctx, LOG_FATAL, 0, "Could not register the new user account");
if( sqlite_query_status(res) == dbERROR ) {
err_n = sqlite_log_error_xml(ctx, res);
}
res_d = eurephiaXML_ResultMsg(ctx, exmlERROR, err_n,
"Failed to register the user account");
xmlFreeNode(err_n);
} else {
xmlChar *uid = malloc_nullsafe(ctx, 34);
xmlNode *info_n = NULL;
assert( uid != NULL );
// Prepare an information tag/node with the new uid value
xmlStrPrintf(uid, 32, "%lld", res->last_insert_id);
info_n = xmlNewNode(NULL, (xmlChar *)"UserAccount");
xmlNewProp(info_n, (xmlChar *) "mode", (xmlChar *) "add");
xmlNewProp(info_n, (xmlChar *) "uid", uid);
eurephia_log(ctx, LOG_INFO, 1, "New user account created (uid %i)", res->last_insert_id);
res_d = eurephiaXML_ResultMsg(ctx, exmlRESULT, info_n,
"New user account created with uid %i", res->last_insert_id);
free_nullsafe(ctx, uid);
xmlFreeNode(info_n);
}
sqlite_free_results(res);
return res_d;
}
/**
* Internal function. Updates a user account
*
* @param ctx eurephiaCTX
* @param uid Numeric user id to be updated
* @param value_map eDBfieldMap containing new values
*
* @return Returns an eurephia ResultMsg XML document with status of the operation. On fatal errors,
* NULL is returned.
*/
static xmlDoc *useracc_update(eurephiaCTX *ctx, const int uid, eDBfieldMap *value_map) {
dbresult *uinf = NULL;
xmlDoc *res_d = NULL, *srch_xml = NULL;
xmlNode *srch_n = NULL;
xmlChar *xmluid = NULL;
eDBfieldMap *srch_map = NULL;
DEBUG(ctx, 21, "Function call: useracc_update(ctx, %i, eDBfieldMap)", uid);
assert( (ctx != NULL) && (value_map != NULL) );
if( (ctx->context_type != ECTX_ADMIN_CONSOLE) && (ctx->context_type != ECTX_ADMIN_WEB) ) {
eurephia_log(ctx, LOG_CRITICAL, 0,
"eurephia admin function call attempted with wrong context type");
return NULL;
}
// Create an eDBfieldMap structure for the srch_map (to be used in the WHERE clause)
xmluid = (xmlChar *) malloc_nullsafe(ctx, 34);
xmlStrPrintf(xmluid, 32, "%u", uid);
eurephiaXML_CreateDoc(ctx, 1, "fieldMapping", &srch_xml, &srch_n);
xmlNewProp(srch_n, (xmlChar *) "table", (xmlChar *) "users");
xmlNewChild(srch_n, NULL, (xmlChar *) "uid", xmluid); // Add uid as the only criteria
srch_map = eDBxmlMapping(ctx, tbl_sqlite_users, NULL, srch_n);
assert( srch_map != NULL );
// UPDATE the database
uinf = sqlite_query_mapped(ctx, SQL_UPDATE, "UPDATE openvpn_users", value_map, srch_map, NULL);
if( sqlite_query_status(uinf) != dbSUCCESS ) {
xmlNode *err_n = NULL;
eurephia_log(ctx, LOG_ERROR, 0, "Error querying the database for a user");
err_n = sqlite_log_error_xml(ctx, uinf);
res_d = eurephiaXML_ResultMsg(ctx, exmlERROR, err_n, "Failed to update user (uid %i)", uid);
xmlFreeNode(err_n);
} else if( sqlite_get_affected_rows(uinf) == 0 ) {
res_d = eurephiaXML_ResultMsg(ctx, exmlERROR, NULL,
"Could not find any user account with uid %i", uid);
} else {
res_d = eurephiaXML_ResultMsg(ctx, exmlRESULT, NULL,
"User account with uid %i is updated", uid);
}
sqlite_free_results(uinf);
eDBfreeMapping(srch_map);
xmlFreeDoc(srch_xml);
free_nullsafe(ctx, xmluid);
return res_d;
}
/**
* Internal function. Deletes a user account from the users table
*
* @param ctx eurephiaCTX
* @param uid Numeric user id of user to be deleted.
*
* @return Returns an eurephia ResultMsg XML document with status of the operation. On fatal errors,
* NULL is returned.
*/
static xmlDoc *useracc_delete(eurephiaCTX *ctx, const unsigned int uid) {
xmlDoc *res_d = NULL;
dbresult *res = NULL;
DEBUG(ctx, 21, "Function call: useracc_delete(ctx, %i)", uid);
assert( ctx != NULL );
if( (ctx->context_type != ECTX_ADMIN_CONSOLE) && (ctx->context_type != ECTX_ADMIN_WEB) ) {
eurephia_log(ctx, LOG_CRITICAL, 0,
"eurephia admin function call attempted with wrong context type");
return NULL;
}
// Delete the user
res = sqlite_query(ctx, "DELETE FROM openvpn_users WHERE uid = '%i'", uid);
if( sqlite_query_status(res) != dbSUCCESS ) {
xmlNode *err_n = NULL;
eurephia_log(ctx, LOG_FATAL, 0, "Could not delete the user account (uid %i)", uid);
err_n = sqlite_log_error_xml(ctx, res);
res_d = eurephiaXML_ResultMsg(ctx, exmlERROR, err_n,
"Failed to delete the user account (uid %i)", uid);
xmlFreeNode(err_n);
} else if( sqlite_get_affected_rows(res) == 0 ) {
res_d = eurephiaXML_ResultMsg(ctx, exmlERROR, NULL,
"Could not find any user account with uid %i", uid);
} else {
res_d = eurephiaXML_ResultMsg(ctx, exmlRESULT, NULL,
"User account with uid %i is deleted", uid);
}
sqlite_free_results(res);
return res_d;
}
/**
* @copydoc eDBadminUserAccount()
*/
xmlDoc *eDBadminUserAccount(eurephiaCTX *ctx, xmlDoc *qryxml) {
xmlDoc *res_d = NULL;
xmlNode *qry_n = NULL, *fmap_n = NULL;
eDBfieldMap *fmap_m = NULL;
char *mode = NULL;
int uid;
DEBUG(ctx, 20, "Function call: eDBadminUserAccount(ctx, xmlDoc)");
assert( (ctx != NULL) && (qryxml != NULL) );
if( (ctx->context_type != ECTX_ADMIN_CONSOLE) && (ctx->context_type != ECTX_ADMIN_WEB) ) {
eurephia_log(ctx, LOG_CRITICAL, 0,
"eurephia admin function call attempted with wrong context type");
return NULL;
}
qry_n = eurephiaXML_getRoot(ctx, qryxml, "UserAccount", 1);
if( qry_n == NULL ) {
eurephia_log(ctx, LOG_ERROR, 0, "Could not find a valid XML for the user account request");
return NULL;
}
mode = xmlGetAttrValue(qry_n->properties, "mode");
if( mode == NULL ) {
eurephia_log(ctx, LOG_ERROR, 0, "Invalid user account request (1).");
return NULL;
}
fmap_n = xmlFindNode(qry_n, "fieldMapping");
if( fmap_n == NULL ) {
eurephia_log(ctx, LOG_ERROR, 0, "Invalid user account request (2).");
return NULL;
}
fmap_m = eDBxmlMapping(ctx, tbl_sqlite_users, "users", fmap_n);
assert(fmap_m != NULL);
// Extract the value of the uid attribute in the UserAccount tag. If not found, set value to -1.
uid = atoi_nullsafe(defaultValue(xmlGetAttrValue(qry_n->properties, "uid"), "-1"));
if( strcmp(mode, "view") == 0 ) {
unsigned int flags = atoi_nullsafe(defaultValue(xmlGetNodeContent(qry_n,"extractFlags"),"0"));
const char *sortkeys = xmlGetNodeContent(qry_n, "sortkeys");
res_d = useracc_view(ctx, flags, fmap_m, eDBmkSortKeyString(fmap_m, sortkeys));
} else if( strcmp(mode, "add") == 0 ) {
res_d = useracc_add(ctx, fmap_m);
} else if( strcmp(mode, "update") == 0 ) {
if( uid == -1 ) {
res_d = eurephiaXML_ResultMsg(ctx, exmlERROR, NULL,
"Can not update user account without an uid value");
} else {
res_d = useracc_update(ctx, uid, fmap_m);
}
} else if( strcmp(mode, "delete") == 0 ) {
if( uid == -1 ) {
res_d = eurephiaXML_ResultMsg(ctx, exmlERROR, NULL,
"Can not delete user account without an uid value");
} else {
res_d = useracc_delete(ctx, uid);
}
} else {
eurephia_log(ctx, LOG_ERROR, 0, "UserAccount - Unknown mode: '%s'", mode);
res_d = eurephiaXML_ResultMsg(ctx, exmlERROR, NULL, "Unknown mode '%s'", mode);
}
eDBfreeMapping(fmap_m);
return res_d;
}
/**
* Internal function. Retrieves all administrator access levels granted.
*
* @param ctx eurephiaCTX
* @param fmap eDBfieldMap with field values to narrow the SQL query
*
* @return Returns an eurephia XML document on success or with a failure message. NULL is returned
* on fatal errors.
*/
xmlDoc *adminacclvl_Get(eurephiaCTX *ctx, eDBfieldMap *fmap) {
dbresult *res = NULL;
int last_uid = -1, i = 0;
xmlDoc *doc = NULL;
xmlNode *root_n = NULL, *rec_n = NULL, *acl_n = NULL, *tmp_n;
DEBUG(ctx, 21, "Function call: adminacclvl_Get(ctx, {fieldMapping})");
assert( (ctx != NULL) && (fmap != NULL) );
if( (ctx->context_type != ECTX_ADMIN_CONSOLE) && (ctx->context_type != ECTX_ADMIN_WEB) ) {
eurephia_log(ctx, LOG_CRITICAL, 0,
"eurephia admin function call attempted with wrong context type");
return 0;
}
// Query the database, find the user defined in the user map
res = sqlite_query_mapped(ctx, SQL_SELECT,
"SELECT eac.uid, username, interface, access"
" FROM eurephia_adminaccess eac"
" LEFT JOIN openvpn_users USING(uid)",
NULL, fmap, "uid, interface, access");
if( sqlite_query_status(res) != dbSUCCESS ) {
eurephia_log(ctx, LOG_ERROR, 0, "Error querying the database for a access levels");
tmp_n = sqlite_log_error_xml(ctx, res);
doc = eurephiaXML_ResultMsg(ctx, exmlERROR, tmp_n,
"Error querying the database for a access levels");
xmlFreeNode(tmp_n);
goto exit;
}
eurephiaXML_CreateDoc(ctx, 1, "admin_access_list", &doc, &root_n);
for( i = 0; i < sqlite_get_numtuples(res); i++ ) {
if( last_uid != atoi_nullsafe(sqlite_get_value(res, i, 0)) ) {
// Create a new block element when we get a new uid
rec_n = xmlNewChild(root_n, NULL, (xmlChar *) "user_access", NULL);
last_uid = atoi_nullsafe(sqlite_get_value(res, i, 0));
tmp_n = sqlite_xml_value(rec_n, XML_NODE, "username", res, i, 1);
sqlite_xml_value(tmp_n, XML_ATTR, "uid", res, i, 0);
acl_n = xmlNewChild(rec_n, NULL, (xmlChar *) "access_levels", NULL);
}
tmp_n = sqlite_xml_value(acl_n, XML_NODE, "access", res, i, 3);
sqlite_xml_value(tmp_n, XML_ATTR, "interface", res, i, 2);
}
exit:
sqlite_free_results(res);
return doc;
}
/**
* @copydoc eDBadminAccessLevel()
*/
xmlDoc *eDBadminAccessLevel(eurephiaCTX *ctx, xmlDoc *qryxml) {
dbresult *sqlres = NULL;
xmlDoc *res_d = NULL;
xmlNode *qry_n = NULL, *fmap_n = NULL, *err_n = NULL;
eDBfieldMap *fmap_m = NULL;
char *mode = NULL;
DEBUG(ctx, 20, "Function call: eDBadminAccessLevel(ctx, xmlDoc)");
assert( (ctx != NULL) && (qryxml != NULL) );
if( (ctx->context_type != ECTX_ADMIN_CONSOLE) && (ctx->context_type != ECTX_ADMIN_WEB) ) {
eurephia_log(ctx, LOG_CRITICAL, 0,
"eurephia admin function call attempted with wrong context type");
return 0;
}
qry_n = eurephiaXML_getRoot(ctx, qryxml, "admin_access", 1);
if( qry_n == NULL ) {
eurephia_log(ctx, LOG_ERROR, 0, "Could not find a valid XML for the user-certs link request");
return 0;
}
mode = xmlGetAttrValue(qry_n->properties, "mode");
if( mode == NULL ) {
eurephia_log(ctx, LOG_ERROR, 0, "Invalid edit admin access request (1).");
return 0;
}
fmap_n = xmlFindNode(qry_n, "fieldMapping");
if( fmap_n == NULL ) {
eurephia_log(ctx, LOG_ERROR, 0, "Invalid edit admin access request (2).");
return 0;
}
fmap_m = eDBxmlMapping(ctx, tbl_sqlite_eurephiaadmacc, NULL, fmap_n);
assert(fmap_m != NULL);
if( strcmp(mode, "grant") == 0 ) {
sqlres = sqlite_query_mapped(ctx, SQL_INSERT, "INSERT INTO eurephia_adminaccess",
fmap_m, NULL, NULL);
if( (sqlite_query_status(sqlres) == dbSUCCESS) && (sqlite_get_affected_rows(sqlres) > 0) ) {
res_d = eurephiaXML_ResultMsg(ctx, exmlRESULT, NULL,
"Access level %s (%s) was granted to uid %s",
eDBmappingGetValue(fmap_m, FIELD_ACCESSLVL),
eDBmappingGetValue(fmap_m, FIELD_INTERFACE),
eDBmappingGetValue(fmap_m, FIELD_UID));
} else if( sqlite_query_status(sqlres) == dbERROR ) {
err_n = sqlite_log_error_xml(ctx, sqlres);
}
} else if( strcmp(mode, "revoke") == 0 ) {
sqlres = sqlite_query_mapped(ctx, SQL_DELETE, "DELETE FROM eurephia_adminaccess",
NULL, fmap_m, NULL);
if( (sqlite_query_status(sqlres) == dbSUCCESS) && (sqlite_get_affected_rows(sqlres) > 0) ) {
const char *uid = eDBmappingGetValue(fmap_m, FIELD_UID);
const char *acclvl = eDBmappingGetValue(fmap_m, FIELD_ACCESSLVL);
if( acclvl != NULL ) {
res_d = eurephiaXML_ResultMsg(ctx, exmlRESULT, NULL,
"Access level %s (%s) was revoked from uid %s",
acclvl, eDBmappingGetValue(fmap_m, FIELD_ACCESSLVL),
uid);
} else {
res_d = eurephiaXML_ResultMsg(ctx, exmlRESULT, NULL,
"%i access levels was removed from uid %s",
sqlite_get_affected_rows(sqlres), uid);
}
} else if( sqlite_query_status(sqlres) == dbERROR ) {
err_n = sqlite_log_error_xml(ctx, sqlres);
}
} else if( strcmp(mode, "list") == 0 ) {
res_d = adminacclvl_Get(ctx, fmap_m);
}
if( res_d == NULL ) {
eurephia_log(ctx, LOG_ERROR, 0, "Failed to update admin access");
res_d = eurephiaXML_ResultMsg(ctx, exmlERROR, err_n, "Failed to complete %s operation", mode);
}
if( err_n != NULL ) {
xmlFreeNode(err_n);
}
sqlite_free_results(sqlres);
eDBfreeMapping(fmap_m);
return res_d;
}
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