sourcemod/core/AdminCache.cpp
David Anderson 8860ff6224 changed how the admin cache is rebuilt
renamed the plugin and fixed compilation errors

--HG--
rename : plugins/admin-flatfile/admin-base.sp => plugins/admin-flatfile/admin-flatfile.sp
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40444
2007-02-06 05:13:24 +00:00

1220 lines
27 KiB
C++

/**
* ===============================================================
* SourceMod (C)2004-2007 AlliedModders LLC. All rights reserved.
* ===============================================================
*
* This file is not open source and may not be copied without explicit
* written permission of AlliedModders LLC. This file may not be redistributed
* in whole or significant part.
* For information, see LICENSE.txt or http://www.sourcemod.net/license.php
*
* Version: $Id$
*/
#include <string.h>
#include <assert.h>
#include "AdminCache.h"
#include "ShareSys.h"
#include "ForwardSys.h"
AdminCache g_Admins;
AdminCache::AdminCache()
{
m_pCmdOverrides = sm_trie_create();
m_pCmdGrpOverrides = sm_trie_create();
m_pStrings = new BaseStringTable(1024);
m_pMemory = m_pStrings->GetMemTable();
m_FreeGroupList = m_FirstGroup = m_LastGroup = INVALID_GROUP_ID;
m_FreeUserList = m_FirstUser = m_LastUser = INVALID_ADMIN_ID;
m_pGroups = sm_trie_create();
m_pCacheFwd = NULL;
m_FirstGroup = -1;
m_pAuthTables = sm_trie_create();
}
AdminCache::~AdminCache()
{
DumpAdminCache(AdminCache_Overrides, false);
DumpAdminCache(AdminCache_Groups, false);
sm_trie_destroy(m_pCmdGrpOverrides);
sm_trie_destroy(m_pCmdOverrides);
if (m_pGroups)
{
sm_trie_destroy(m_pGroups);
}
List<AuthMethod>::iterator iter;
for (iter=m_AuthMethods.begin();
iter!=m_AuthMethods.end();
iter++)
{
sm_trie_destroy((*iter).table);
}
sm_trie_destroy(m_pAuthTables);
delete m_pStrings;
}
void AdminCache::OnSourceModStartup(bool late)
{
RegisterAuthIdentType("steam");
RegisterAuthIdentType("name");
RegisterAuthIdentType("ip");
}
void AdminCache::OnSourceModAllInitialized()
{
m_pCacheFwd = g_Forwards.CreateForward("OnRebuildAdminCache", ET_Ignore, 1, NULL, Param_Cell);
g_ShareSys.AddInterface(NULL, this);
}
void AdminCache::OnSourceModShutdown()
{
g_Forwards.ReleaseForward(m_pCacheFwd);
m_pCacheFwd = NULL;
}
void AdminCache::AddCommandOverride(const char *cmd, OverrideType type, FlagBits flags)
{
Trie *pTrie = NULL;
if (type == Override_Command)
{
pTrie = m_pCmdOverrides;
} else if (type == Override_CommandGroup) {
pTrie = m_pCmdGrpOverrides;
} else {
return;
}
sm_trie_insert(pTrie, cmd, (void *)(unsigned int)flags);
}
bool AdminCache::GetCommandOverride(const char *cmd, OverrideType type, FlagBits *pFlags)
{
Trie *pTrie = NULL;
if (type == Override_Command)
{
pTrie = m_pCmdOverrides;
} else if (type == Override_CommandGroup) {
pTrie = m_pCmdGrpOverrides;
} else {
return false;
}
void *object;
if (sm_trie_retrieve(pTrie, cmd, &object))
{
if (pFlags)
{
*pFlags = (FlagBits)object;
}
return true;
}
return false;
}
void AdminCache::UnsetCommandOverride(const char *cmd, OverrideType type)
{
if (type == Override_Command)
{
return _UnsetCommandOverride(cmd);
} else if (type == Override_CommandGroup) {
return _UnsetCommandGroupOverride(cmd);
}
}
void AdminCache::_UnsetCommandGroupOverride(const char *group)
{
if (!m_pCmdGrpOverrides)
{
return;
}
/* :TODO: Notify command system */
sm_trie_delete(m_pCmdGrpOverrides, group);
}
void AdminCache::_UnsetCommandOverride(const char *cmd)
{
if (!m_pCmdOverrides)
{
return;
}
/* :TODO: Notify command system */
sm_trie_delete(m_pCmdOverrides, cmd);
}
void AdminCache::DumpCommandOverrideCache(OverrideType type)
{
if (type == Override_Command && m_pCmdOverrides)
{
sm_trie_clear(m_pCmdOverrides);
} else if (type == Override_CommandGroup && m_pCmdGrpOverrides) {
sm_trie_clear(m_pCmdGrpOverrides);
}
}
AdminId AdminCache::CreateAdmin(const char *name)
{
AdminId id;
AdminUser *pUser;
if (m_FreeUserList != INVALID_ADMIN_ID)
{
pUser = (AdminUser *)m_pMemory->GetAddress(m_FreeUserList);
assert(pUser->magic == USR_MAGIC_UNSET);
id = m_FreeUserList;
m_FreeUserList = pUser->next_user;
} else {
id = m_pMemory->CreateMem(sizeof(AdminUser), (void **)&pUser);
pUser->grp_size = 0;
pUser->grp_table = -1;
}
pUser->flags = 0;
pUser->eflags = 0;
pUser->grp_count = 0;
pUser->password = -1;
pUser->magic = USR_MAGIC_SET;
pUser->auth.identidx = -1;
pUser->auth.index = 0;
pUser->immune_default = false;
pUser->immune_global = false;
if (m_FirstUser == INVALID_ADMIN_ID)
{
m_FirstUser = id;
m_LastUser = id;
} else {
AdminUser *pPrev = (AdminUser *)m_pMemory->GetAddress(m_LastUser);
pPrev->next_user = id;
pUser->prev_user = m_LastUser;
m_LastUser = id;
}
if (name && name[0] != '\0')
{
pUser->nameidx = m_pStrings->AddString(name);
}
return id;
}
GroupId AdminCache::AddGroup(const char *group_name)
{
if (sm_trie_retrieve(m_pGroups, group_name, NULL))
{
return INVALID_GROUP_ID;
}
GroupId id;
AdminGroup *pGroup;
if (m_FreeGroupList != INVALID_GROUP_ID)
{
pGroup = (AdminGroup *)m_pMemory->GetAddress(m_FreeGroupList);
assert(pGroup->magic == GRP_MAGIC_UNSET);
id = m_FreeGroupList;
m_FreeGroupList = pGroup->next_grp;
} else {
id = m_pMemory->CreateMem(sizeof(AdminGroup), (void **)&pGroup);
}
pGroup->immune_default = false;
pGroup->immune_global = false;
pGroup->immune_table = -1;
pGroup->magic = GRP_MAGIC_SET;
pGroup->next_grp = INVALID_GROUP_ID;
pGroup->pCmdGrpTable = NULL;
pGroup->pCmdTable = NULL;
pGroup->addflags = 0;
if (m_FirstGroup == INVALID_GROUP_ID)
{
m_FirstGroup = id;
m_LastGroup = id;
pGroup->prev_grp = INVALID_GROUP_ID;
} else {
AdminGroup *pPrev = (AdminGroup *)m_pMemory->GetAddress(m_LastGroup);
assert(pPrev->magic == GRP_MAGIC_SET);
pPrev->next_grp = id;
pGroup->prev_grp = m_LastGroup;
m_LastGroup = id;
}
pGroup->nameidx = m_pStrings->AddString(group_name);
sm_trie_insert(m_pGroups, group_name, (void *)id);
return id;
}
GroupId AdminCache::FindGroupByName(const char *group_name)
{
void *object;
if (!sm_trie_retrieve(m_pGroups, group_name, &object))
{
return INVALID_GROUP_ID;
}
GroupId id = (GroupId)object;
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return INVALID_GROUP_ID;
}
return id;
}
void AdminCache::SetGroupAddFlag(GroupId id, AdminFlag flag, bool enabled)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return;
}
if (flag < Admin_Reservation || flag >= AdminFlags_TOTAL)
{
return;
}
FlagBits bits = (1<<(FlagBits)flag);
if (enabled)
{
pGroup->addflags |= bits;
} else {
pGroup->addflags &= ~bits;
}
}
bool AdminCache::GetGroupAddFlag(GroupId id, AdminFlag flag)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return false;
}
if (flag < Admin_Reservation || flag >= AdminFlags_TOTAL)
{
return false;
}
FlagBits bit = 1<<(FlagBits)flag;
return ((pGroup->addflags & bit) == bit);
}
FlagBits AdminCache::GetGroupAddFlags(GroupId id)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return 0;
}
return pGroup->addflags;
}
void AdminCache::SetGroupGenericImmunity(GroupId id, ImmunityType type, bool enabled)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return;
}
if (type == Immunity_Default)
{
pGroup->immune_default = enabled;
} else if (type == Immunity_Global) {
pGroup->immune_global = enabled;
}
}
bool AdminCache::GetGroupGenericImmunity(GroupId id, ImmunityType type)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return false;
}
if (type == Immunity_Default)
{
return pGroup->immune_default;
} else if (type == Immunity_Global) {
return pGroup->immune_global;
}
return false;
}
void AdminCache::AddGroupImmunity(GroupId id, GroupId other_id)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return;
}
AdminGroup *pOther = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pOther || pOther->magic != GRP_MAGIC_SET)
{
return;
}
/* We always need to resize the immunity table */
int *table, tblidx;
if (pOther->immune_table == -1)
{
tblidx = m_pMemory->CreateMem(sizeof(int) * 2, (void **)&table);
table[0] = 0;
} else {
int *old_table = (int *)m_pMemory->GetAddress(pOther->immune_table);
/* Break out if this group is already in the list */
for (int i=0; i<old_table[0]; i++)
{
if (old_table[1+i] == other_id)
{
return;
}
}
tblidx = m_pMemory->CreateMem(sizeof(int) * (old_table[0] + 2), (void **)&table);
/* Get the old address again in case of resize */
old_table = (int *)m_pMemory->GetAddress(pOther->immune_table);
table[0] = old_table[0];
for (unsigned int i=1; i<=(unsigned int)old_table[0]; i++)
{
table[i] = old_table[i];
}
}
/* Assign */
pOther->immune_table = tblidx;
/* Add to the array */
table[0]++;
table[table[0]] = other_id;
}
unsigned int AdminCache::GetGroupImmunityCount(GroupId id)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return 0;
}
if (pGroup->immune_table == -1)
{
return 0;
}
int *table = (int *)m_pMemory->GetAddress(pGroup->immune_table);
return table[0];
}
GroupId AdminCache::GetGroupImmunity(GroupId id, unsigned int number)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return INVALID_GROUP_ID;
}
if (pGroup->immune_table == -1)
{
return INVALID_GROUP_ID;
}
int *table = (int *)m_pMemory->GetAddress(pGroup->immune_table);
if (number >= (unsigned int)table[0])
{
return INVALID_GROUP_ID;
}
return table[1 + number];
}
void AdminCache::AddGroupCommandOverride(GroupId id, const char *name, OverrideType type, OverrideRule rule)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return;
}
Trie *pTrie = NULL;
if (type == Override_Command)
{
if (pGroup->pCmdTable == NULL)
{
pGroup->pCmdTable = sm_trie_create();
}
pTrie = pGroup->pCmdTable;
} else if (type == Override_CommandGroup) {
if (pGroup->pCmdGrpTable == NULL)
{
pGroup->pCmdGrpTable = sm_trie_create();
}
pTrie = pGroup->pCmdGrpTable;
} else {
return;
}
sm_trie_insert(pTrie, name, (void *)(int)rule);
}
bool AdminCache::GetGroupCommandOverride(GroupId id, const char *name, OverrideType type, OverrideRule *pRule)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return false;
}
Trie *pTrie = NULL;
if (type == Override_Command)
{
if (pGroup->pCmdTable == NULL)
{
return false;
}
pTrie = pGroup->pCmdTable;
} else if (type == Override_CommandGroup) {
if (pGroup->pCmdGrpTable == NULL)
{
return false;
}
pTrie = pGroup->pCmdGrpTable;
} else {
return false;
}
void *object;
if (!sm_trie_retrieve(pTrie, name, &object))
{
return false;
}
if (pRule)
{
*pRule = (OverrideRule)(int)object;
}
return true;
}
Trie *AdminCache::GetMethodByIndex(unsigned int index)
{
List<AuthMethod>::iterator iter;
for (iter=m_AuthMethods.begin();
iter!=m_AuthMethods.end();
iter++)
{
if (index-- == 0)
{
return (*iter).table;
}
}
return NULL;
}
bool AdminCache::InvalidateAdmin(AdminId id)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
AdminUser *pOther;
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return false;
}
/* Unlink from the dbl link list */
if (id == m_FirstUser && id == m_LastUser)
{
m_FirstUser = INVALID_ADMIN_ID;
m_LastUser = INVALID_ADMIN_ID;
} else if (id == m_FirstUser) {
m_FirstUser = pUser->next_user;
pOther = (AdminUser *)m_pMemory->GetAddress(m_FirstUser);
pOther->prev_user = INVALID_ADMIN_ID;
} else if (id == m_LastUser) {
m_LastUser = pUser->prev_user;
pOther = (AdminUser *)m_pMemory->GetAddress(m_LastUser);
pOther->next_user = INVALID_ADMIN_ID;
} else {
pOther = (AdminUser *)m_pMemory->GetAddress(pUser->prev_user);
pOther->next_user = pUser->next_user;
pOther = (AdminUser *)m_pMemory->GetAddress(pUser->next_user);
pOther->prev_user = pUser->prev_user;
}
/* Unlink from auth tables */
if (pUser->auth.identidx != -1)
{
Trie *pTrie = GetMethodByIndex(pUser->auth.index);
if (pTrie)
{
sm_trie_delete(pTrie, m_pStrings->GetString(pUser->auth.identidx));
}
}
/* Clear table counts */
pUser->grp_count = 0;
/* Link into free list */
pUser->magic = USR_MAGIC_UNSET;
pUser->next_user = m_FreeUserList;
m_FreeUserList = id;
return true;
}
void AdminCache::InvalidateGroup(GroupId id)
{
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
AdminGroup *pOther;
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return;
}
const char *str = m_pStrings->GetString(pGroup->nameidx);
sm_trie_delete(m_pGroups, str);
/* Unlink from the live dbllink list */
if (id == m_FirstGroup && id == m_LastGroup)
{
m_LastGroup = INVALID_GROUP_ID;
m_FirstGroup = INVALID_GROUP_ID;
} else if (id == m_FirstGroup) {
m_FirstGroup = pGroup->next_grp;
pOther = (AdminGroup *)m_pMemory->GetAddress(m_FirstGroup);
pOther->prev_grp = INVALID_GROUP_ID;
} else if (id == m_LastGroup) {
m_LastGroup = pGroup->prev_grp;
pOther = (AdminGroup *)m_pMemory->GetAddress(m_LastGroup);
pOther->next_grp = INVALID_GROUP_ID;
} else {
pOther = (AdminGroup *)m_pMemory->GetAddress(pGroup->prev_grp);
pOther->next_grp = pGroup->next_grp;
pOther = (AdminGroup *)m_pMemory->GetAddress(pGroup->next_grp);
pOther->prev_grp = pGroup->prev_grp;
}
/* Free any used memory to be safe */
if (pGroup->pCmdGrpTable)
{
sm_trie_destroy(pGroup->pCmdGrpTable);
pGroup->pCmdGrpTable = NULL;
}
if (pGroup->pCmdTable)
{
sm_trie_destroy(pGroup->pCmdTable);
pGroup->pCmdTable = NULL;
}
/* Link into the free list */
pGroup->magic = GRP_MAGIC_UNSET;
pGroup->next_grp = m_FreeGroupList;
m_FreeGroupList = id;
int idx = m_FirstUser;
AdminUser *pUser;
int *table;
while (idx != INVALID_ADMIN_ID)
{
pUser = (AdminUser *)m_pMemory->GetAddress(idx);
if (pUser->grp_count > 0)
{
table = (int *)m_pMemory->GetAddress(pUser->grp_table);
for (unsigned int i=0; i<pUser->grp_count; i++)
{
if (table[i] == id)
{
/* We have to remove this entry */
for (unsigned int j=i+1; j<pUser->grp_count; j++)
{
/* Move everything down by one */
table[j-1] = table[j];
}
/* Decrease count */
pUser->grp_count--;
/* Recalculate effective flags */
pUser->eflags = pUser->flags;
for (unsigned int j=0; j<pUser->grp_count; j++)
{
pOther = (AdminGroup *)m_pMemory->GetAddress(table[j]);
pUser->eflags |= pOther->addflags;
}
/* Break now, duplicates aren't allowed */
break;
}
}
}
idx = pUser->next_user;
}
}
void AdminCache::InvalidateGroupCache()
{
/* Nuke the free list */
m_FreeGroupList = -1;
/* Nuke reverse lookups */
sm_trie_clear(m_pGroups);
/* Free memory on groups */
GroupId cur = m_FirstGroup;
AdminGroup *pGroup;
while (cur != INVALID_GROUP_ID)
{
pGroup = (AdminGroup *)m_pMemory->GetAddress(cur);
assert(pGroup->magic == GRP_MAGIC_SET);
if (pGroup->pCmdGrpTable)
{
sm_trie_destroy(pGroup->pCmdGrpTable);
}
if (pGroup->pCmdTable)
{
sm_trie_destroy(pGroup->pCmdTable);
}
cur = pGroup->next_grp;
}
m_FirstGroup = INVALID_GROUP_ID;
m_LastGroup = INVALID_GROUP_ID;
InvalidateAdminCache(false);
/* Reset the memory table */
m_pMemory->Reset();
}
void AdminCache::AddAdminListener(IAdminListener *pListener)
{
m_hooks.push_back(pListener);
}
void AdminCache::RemoveAdminListener(IAdminListener *pListener)
{
m_hooks.remove(pListener);
}
void AdminCache::RegisterAuthIdentType(const char *name)
{
if (sm_trie_retrieve(m_pAuthTables, name, NULL))
{
return;
}
Trie *pAuth = sm_trie_create();
AuthMethod method;
method.name.assign(name);
method.table = pAuth;
m_AuthMethods.push_back(method);
sm_trie_insert(m_pAuthTables, name, pAuth);
}
void AdminCache::InvalidateAdminCache(bool unlink_admins)
{
/* Wipe the identity cache first */
List<AuthMethod>::iterator iter;
for (iter=m_AuthMethods.begin();
iter!=m_AuthMethods.end();
iter++)
{
sm_trie_clear((*iter).table);
}
if (unlink_admins)
{
while (m_FirstUser != INVALID_ADMIN_ID)
{
InvalidateAdmin(m_FirstUser);
}
} else {
m_FirstUser = -1;
m_LastUser = -1;
m_FreeUserList = -1;
}
}
void AdminCache::DumpAdminCache(AdminCachePart part, bool rebuild)
{
List<IAdminListener *>::iterator iter;
IAdminListener *pListener;
cell_t result;
if (part == AdminCache_Overrides)
{
DumpCommandOverrideCache(Override_Command);
DumpCommandOverrideCache(Override_CommandGroup);
if (rebuild)
{
for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
{
pListener = (*iter);
pListener->OnRebuildOverrideCache();
}
m_pCacheFwd->PushCell(part);
m_pCacheFwd->Execute(&result);
}
} else if (part == AdminCache_Groups || part == AdminCache_Admins) {
if (part == AdminCache_Groups)
{
InvalidateGroupCache();
if (rebuild)
{
for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
{
pListener = (*iter);
pListener->OnRebuildGroupCache();
}
m_pCacheFwd->PushCell(part);
m_pCacheFwd->Execute(&result);
}
}
InvalidateAdminCache(true);
if (rebuild)
{
for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
{
pListener = (*iter);
pListener->OnRebuildAdminCache((part == AdminCache_Groups));
}
m_pCacheFwd->PushCell(AdminCache_Admins);
m_pCacheFwd->Execute(&result);
}
}
}
const char *AdminCache::GetAdminName(AdminId id)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return NULL;
}
return m_pStrings->GetString(pUser->nameidx);
}
bool AdminCache::GetMethodIndex(const char *name, unsigned int *_index)
{
List<AuthMethod>::iterator iter;
unsigned int index = 0;
for (iter=m_AuthMethods.begin();
iter!=m_AuthMethods.end();
iter++,index++)
{
if ((*iter).name.compare(name) == 0)
{
*_index = index;
return true;
}
}
return false;
}
bool AdminCache::BindAdminIdentity(AdminId id, const char *auth, const char *ident)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return false;
}
Trie *pTable;
if (!sm_trie_retrieve(m_pAuthTables, auth, (void **)&pTable))
{
return false;
}
if (sm_trie_retrieve(pTable, ident, NULL))
{
return false;
}
pUser->auth.identidx = m_pStrings->AddString(ident);
GetMethodIndex(auth, &pUser->auth.index);
return sm_trie_insert(pTable, ident, (void **)id);
}
AdminId AdminCache::FindAdminByIdentity(const char *auth, const char *identity)
{
Trie *pTable;
if (!sm_trie_retrieve(m_pAuthTables, auth, (void **)&pTable))
{
return INVALID_ADMIN_ID;
}
void *object;
if (!sm_trie_retrieve(pTable, identity, &object))
{
return INVALID_ADMIN_ID;
}
return (AdminId)object;
}
void AdminCache::SetAdminFlag(AdminId id, AdminFlag flag, bool enabled)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return;
}
if (flag < Admin_Reservation
|| flag >= AdminFlags_TOTAL)
{
return;
}
FlagBits bits = (1<<(FlagBits)flag);
if (enabled)
{
pUser->flags |= bits;
pUser->eflags |= bits;
} else {
pUser->flags &= ~bits;
pUser->eflags &= ~bits;
}
}
bool AdminCache::GetAdminFlag(AdminId id, AdminFlag flag, AccessMode mode)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return false;
}
if (flag < Admin_Reservation
|| flag >= AdminFlags_TOTAL)
{
return false;
}
FlagBits bit = (1<<(FlagBits)flag);
if (mode == Access_Real)
{
return ((pUser->flags & bit) == bit);
} else if (mode == Access_Effective) {
return ((pUser->eflags & bit) == bit);
}
return false;
}
FlagBits AdminCache::GetAdminFlags(AdminId id, AccessMode mode)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return 0;
}
if (mode == Access_Real)
{
return pUser->flags;
} else if (mode == Access_Effective) {
return pUser->eflags;
}
return 0;
}
bool AdminCache::AdminInheritGroup(AdminId id, GroupId gid)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return false;
}
AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(gid);
if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
{
return false;
}
/* First check for duplicates */
if (pUser->grp_count != 0)
{
int *temp_table = (int *)m_pMemory->GetAddress(pUser->grp_table);
for (unsigned int i=0; i<pUser->grp_count; i++)
{
if (temp_table[i] == gid)
{
return false;
}
}
}
int *table;
if (pUser->grp_count + 1 > pUser->grp_size)
{
int new_size = 0;
int tblidx;
if (pUser->grp_size == 0)
{
new_size = 2;
} else {
new_size = pUser->grp_size * 2;
}
/* Create and refresh pointers */
tblidx = m_pMemory->CreateMem(new_size * sizeof(int), (void **)&table);
pUser = (AdminUser *)m_pMemory->GetAddress(id);
pGroup = (AdminGroup *)m_pMemory->GetAddress(gid);
/* Copy old data if necessary */
if (pUser->grp_table != -1)
{
int *old_table = (int *)m_pMemory->GetAddress(pUser->grp_table);
memcpy(table, old_table, sizeof(int) * pUser->grp_count);
}
pUser->grp_table = tblidx;
pUser->grp_size = new_size;
} else {
table = (int *)m_pMemory->GetAddress(pUser->grp_table);
}
table[pUser->grp_count] = gid;
pUser->grp_count++;
/* Compute new effective permissions */
pUser->eflags |= pGroup->addflags;
if (pGroup->immune_default)
{
pUser->immune_default = true;
}
if (pGroup->immune_global)
{
pUser->immune_global = true;
}
return true;
}
unsigned int AdminCache::GetAdminGroupCount(AdminId id)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return 0;
}
return pUser->grp_count;
}
GroupId AdminCache::GetAdminGroup(AdminId id, unsigned int index, const char **name)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET || index >= pUser->grp_count)
{
return INVALID_GROUP_ID;
}
int *table = (int *)m_pMemory->GetAddress(pUser->grp_table);
return table[index];
}
const char *AdminCache::GetAdminPassword(AdminId id)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return NULL;
}
return m_pStrings->GetString(pUser->password);
}
void AdminCache::SetAdminPassword(AdminId id, const char *password)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return;
}
pUser->password = m_pStrings->AddString(password);
}
unsigned int AdminCache::FlagBitsToBitArray(FlagBits bits, bool array[], unsigned int maxSize)
{
unsigned int i;
for (i=0; i<maxSize && i<AdminFlags_TOTAL; i++)
{
array[i] = ((bits & (1<<i)) == (1<<i));
}
return i;
}
FlagBits AdminCache::FlagBitArrayToBits(const bool array[], unsigned int maxSize)
{
FlagBits bits = 0;
for (unsigned int i=0; i<maxSize && i<AdminFlags_TOTAL; i++)
{
if (array[i])
{
bits |= (1<<i);
}
}
return bits;
}
FlagBits AdminCache::FlagArrayToBits(const AdminFlag array[], unsigned int numFlags)
{
FlagBits bits = 0;
for (unsigned int i=0; i<numFlags && i<AdminFlags_TOTAL; i++)
{
bits |= (1 << (FlagBits)array[i]);
}
return bits;
}
unsigned int AdminCache::FlagBitsToArray(FlagBits bits, AdminFlag array[], unsigned int maxSize)
{
unsigned int i, num=0;
for (i=0; i<maxSize && i<AdminFlags_TOTAL; i++)
{
if ((bits & (1<<i)) == (1<<i))
{
array[num++] = (AdminFlag)i;
}
}
return num;
}
bool AdminCache::CheckAdminFlags(AdminId id, FlagBits bits)
{
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return false;
}
return ((pUser->eflags & bits) == bits);
}
bool AdminCache::CanAdminTarget(AdminId id, AdminId target)
{
/**
* Zeroth, if the targeting AdminId is INVALID_ADMIN_ID, targeting fails.
* First, if the targetted AdminId is INVALID_ADMIN_ID, targeting succeeds.
*/
if (id == INVALID_ADMIN_ID)
{
return false;
}
if (target == INVALID_ADMIN_ID)
{
return true;
}
AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
if (!pUser || pUser->magic != USR_MAGIC_SET)
{
return false;
}
AdminUser *pTarget = (AdminUser *)m_pMemory->GetAddress(target);
if (!pTarget || pTarget->magic != USR_MAGIC_SET)
{
return false;
}
/**
* Second, if the targeting admin is root, targeting suceeds.
*/
if (pUser->eflags & ADMFLAG_ROOT)
{
return true;
}
/** Fourth, if the targetted admin has global immunity, targeting fails. */
if (pTarget->immune_global)
{
return false;
}
/**
* Fifth, if the targetted admin has default immunity
* and the admin belongs to no groups, targeting fails.
*/
if (pTarget->immune_default && pUser->grp_count < 1)
{
return false;
}
/**
* Sixth, if the targetted admin has specific immunity from the
* targeting admin via group immunities, targeting fails.
*/
//:TODO: speed this up... maybe with trie hacks.
//idea is to insert %d.%d in the trie after computing this and use it as a cache lookup.
//problem is the trie cannot delete prefixes, so we'd have a problem with invalidations.
if (pTarget->grp_count > 0 && pUser->grp_count > 0)
{
int *grp_table = (int *)m_pMemory->GetAddress(pTarget->grp_table);
int *src_table = (int *)m_pMemory->GetAddress(pUser->grp_table);
GroupId id, other;
unsigned int num;
for (unsigned int i=0; i<pTarget->grp_count; i++)
{
id = grp_table[i];
num = GetGroupImmunityCount(id);
for (unsigned int j=0; j<num; i++)
{
other = GetGroupImmunity(id, j);
for (unsigned int k=0; k<pUser->grp_count; k++)
{
if (other == src_table[k])
{
return false;
}
}
}
}
}
return true;
}