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/* eurephiadb_common.c -- Common database functions, used by drivers
*
* GPLv2 - Copyright (C) 2008 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.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define EUREPHIADB_MAPPING_C
#include <eurephia_context.h>
#include <eurephia_admin_struct.h>
#include <eurephiadb_mapping.h>
#include <eurephia_nullsafe.h>
#include <passwd.h>
eDBfieldMap *eDBprepareFieldMap(eurephiaCTX *ctx, int table, long fields[]) {
eDBfieldMap *map = NULL, *ptr = NULL;
int i = 0;
for( i = 0; fields[i] != FIELD_NONE; i++ ) {
ptr = (eDBfieldMap *) malloc(sizeof(eDBfieldMap)+2);
memset(ptr, 0, sizeof(eDBfieldMap)+2);
ptr->tableid = table;
ptr->field_id = fields[i];
ptr->field_name = NULL;
ptr->value = NULL;
ptr->next = map;
map = ptr;
}
return map;
}
void eDBfreeMapping(eDBfieldMap *p) {
if( p == NULL ) {
return;
}
eDBfreeMapping(p->next);
// Release value and this pointer.
// Do not attempt to release field_name, as it is a constant char *
free_nullsafe(p->value);
free(p);
}
eDBfieldMap *eDBgetTableFieldMapping(int table) {
eDBfieldMap *map;
switch( table ) {
case TABLE_USERS:
map = eTblMap_user;
break;
case TABLE_CERTS:
map = eTblMap_certificates;
break;
case TABLE_LASTLOG:
map = eTblMap_lastlog;
case TABLE_ATTEMPTS:
map = eTblMap_attempts;
case TABLE_BLACKLIST:
map = eTblMap_blacklist;
default:
map = NULL;
}
return map;
}
void eDBcopyMapAttribs(eDBfieldMap *newmap, eDBfieldMap *dbmap, int field) {
int i = 0;
for( i = 0; dbmap[i].field_name != NULL; i++ ) {
if( dbmap[i].field_id == field ) {
newmap->field_name = dbmap[i].field_name;
newmap->field_type = dbmap[i].field_type;
}
}
}
eDBfieldMap *eDBmkMapping_USERINFO(eurephiaCTX *ctx, eDBfieldMap *dbmap, eurephiaUSERINFO *user) {
eDBfieldMap *map = NULL, *ptr = NULL;
char *uid_str = NULL;
long fields[] = {FIELD_LASTACCESS, FIELD_DEACTIVATED, FIELD_ACTIVATED,
FIELD_PASSWD, FIELD_UNAME, FIELD_RECID, FIELD_NONE};
map = eDBprepareFieldMap(ctx, TABLE_USERS, fields);
assert( map != NULL );
// Convert uid from int to char *
if( user->uid != 0 ) {
uid_str = (char *) malloc(33);
snprintf(uid_str, 32, "%i%c", user->uid, 0);
} else {
uid_str = NULL;
}
for( ptr = map; ptr != NULL; ptr = ptr->next ) {
// Copy over field name - translated via the db mapping table
eDBcopyMapAttribs(ptr, dbmap, ptr->field_id);
// Copy over values
switch( ptr->field_id ) {
case FIELD_RECID: ptr->value = uid_str; break;
case FIELD_UNAME: ptr->value = strdup_nullsafe(user->username); break;
case FIELD_PASSWD: ptr->value = passwdhash(user->password); break;
case FIELD_ACTIVATED: ptr->value = strdup_nullsafe(user->activated); break;
case FIELD_DEACTIVATED: ptr->value = strdup_nullsafe(user->deactivated); break;
case FIELD_LASTACCESS: ptr->value = strdup_nullsafe(user->last_accessed); break;
}
// Set ft_SETNULL if that flag is set for this field_id
if( (ptr->field_id & user->setnull_flags) == ptr->field_id ) {
ptr->field_type = ft_SETNULL;
}
}
return map;
}
char *eDBmkSortKeyString(eDBfieldMap *tfmap, const char *skeys_str) {
eDBfieldMap *sk_map = NULL;
int i, j;
char *cp = NULL, *tok = NULL, *delims = ",";
static char sortkeys[8194];
if( skeys_str == NULL ) {
return NULL;
}
// Make sure we have table field map
assert( tfmap != NULL );
// Get the correct table mapping for user input
sk_map = eDBgetTableFieldMapping(tfmap[0].tableid);
assert( sk_map != NULL );
// Split up the skeys_str (sort keys string) and build up a map
cp = strdup_nullsafe(skeys_str);
tok = strtok(cp, delims);
memset(&sortkeys, 0, 8194);
while( tok != NULL ) {
for( i = 0; sk_map[i].field_id != FIELD_NONE; i++ ) {
// If we find the the field in the unified mapping table ...
if( strcmp(tok, sk_map[i].field_name) == 0 ) {
// look up the proper field name for the current database
for( j = 0; tfmap[j].field_name != 0; j++ ) {
if( sk_map[i].field_id == tfmap[j].field_id ) {
strncat(sortkeys, tfmap[j].field_name, (8192-strlen(sortkeys)-2));
strcat(sortkeys,",");
}
}
}
}
tok = strtok(NULL, delims);
}
free_nullsafe(cp);
sortkeys[strlen(sortkeys)-1] = '\0';
return sortkeys;
}
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