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amxmodx/amxmodx/modules.cpp
David Anderson 38da105ac1 Few changes
2005-08-02 07:01:25 +00:00

1753 lines
39 KiB
C++
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/* AMX Mod X
*
* by the AMX Mod X Development Team
* originally developed by OLO
*
*
* 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 2 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
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*/
#ifdef __linux__
#include <malloc.h>
#include <stdlib.h>
#include <sys/mman.h>
#include "sclinux.h"
#endif
#include "amxmodx.h"
#include "osdep.h" // sleep, etc
#include "CFile.h"
#include "amxxfile.h"
#include "amxdbg.h"
#include "newmenus.h"
#include "natives.h"
CList<CModule,const char*> g_modules;
CList<CScript,AMX*> g_loadedscripts;
CModule *g_CurrentlyCalledModule = NULL; // The module we are in at the moment; NULL otherwise
// also NULL for non-amxx modules
// This is needed so we know which module called a function
ModuleCallReason g_ModuleCallReason;
extern const char* no_function; // stupid work around
void report_error( int code, char* fmt, ... )
{
va_list argptr;
char string[256];
*string = 0;
va_start (argptr, fmt);
vsnprintf (string, 255, fmt,argptr);
string[255] = 0;
va_end (argptr);
if ( *string ) {
AMXXLOG_Log("Error:");
AMXXLOG_Log(string);
}
else
{
AMXXLOG_Log("!!! There was an unexpected module error.");
AMXXLOG_Log("The server may not work correctly.");
}
}
void print_srvconsole( char *fmt, ... )
{
va_list argptr;
static char string[384];
va_start(argptr, fmt);
vsnprintf(string, sizeof(string)-1, fmt, argptr);
string[sizeof(string)-1] = '\0';
va_end(argptr);
SERVER_PRINT(string);
}
void* alloc_amxmemory(void** p, int size)
{
*p = new unsigned char[ size ];
return *p;
}
void free_amxmemory(void **ptr)
{
delete[] (unsigned char *)(*ptr);
*ptr = 0;
}
void amxx_FreeTrace(AMX_DBGINFO *pInfo)
{
amx_trace *pTrace = pInfo->pTrace;
amx_trace *pTemp = NULL;
while (pTrace)
{
pTemp = pTrace->next;
delete pTrace;
pTrace = pTemp;
}
pInfo->pTrace = NULL;
pInfo->pTraceFrm = NULL;
pInfo->pTraceEnd = NULL;
}
//returns true if this was the last call
bool amxx_RemTraceCall(AMX_DBGINFO *pInfo)
{
amx_trace *pTrace = pInfo->pTraceFrm;
assert(pTrace != NULL);
pInfo->pTraceFrm = pTrace->prev;
pTrace->used = false;
if (pInfo->pTraceFrm == NULL)
{
//invalidate the trace
pInfo->frm = 0;
return true;
}
return false;
}
void amxx_FreeDebug(AMX *amx)
{
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)amx->userdata[2];
if (pInfo)
{
AMX_DBG *pDbg = (AMX_DBG *)pInfo->pDebug;
if (pDbg)
{
dbg_FreeInfo(pDbg);
delete pDbg;
}
if (pInfo->pTrace)
amxx_FreeTrace(pInfo);
delete pInfo;
amx->userdata[2] = NULL;
}
}
amx_trace *amxx_AddTraceCall(AMX_DBGINFO *pInfo)
{
amx_trace *pTrace = NULL;
if (pInfo->pTrace == NULL)
{
pTrace = new amx_trace;
memset(pTrace, 0, sizeof(amx_trace));
pInfo->pTrace = pTrace;
pInfo->pTraceFrm = pTrace;
pInfo->pTraceEnd = pTrace;
} else if (pInfo->pTraceFrm == NULL) {
pTrace = pInfo->pTrace;
pInfo->pTraceFrm = pTrace;
} else {
if (pInfo->pTraceFrm->next == NULL)
{
//if we are at the end of the list...
assert(pInfo->pTraceFrm == pInfo->pTraceEnd);
pTrace = new amx_trace;
memset(pTrace, 0, sizeof(amx_trace));
pTrace->prev = pInfo->pTraceEnd;
pInfo->pTraceEnd->next = pTrace;
pInfo->pTraceEnd = pTrace;
pInfo->pTraceFrm = pTrace;
} else {
//we are somewhere else. whatever.
pTrace = pInfo->pTraceFrm->next;
pInfo->pTraceFrm = pTrace;
}
}
pTrace->used = true;
return pTrace;
}
void AMXAPI amxx_InvalidateTrace(AMX *amx)
{
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)(amx->userdata[2]);
if (!pInfo)
return;
amx_trace *pTrace = pInfo->pTrace;
while (pTrace && pTrace->used)
{
pTrace->used = false;
pTrace = pTrace->next;
}
pInfo->pTraceFrm = NULL;
pInfo->frm = 0;
}
int AMXAPI amxx_DebugHook(AMX *amx)
{
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)amx->userdata[2];
if ( !(amx->flags & AMX_FLAG_DEBUG) || !pInfo )
return AMX_ERR_DEBUG;
enum StackState
{
Stack_Same,
Stack_Push,
Stack_Pop,
};
StackState state = Stack_Same;
if (!pInfo->frm)
{
pInfo->frm = amx->frm;
state = Stack_Push;
} else {
//Are we stepping through a different frame?
if (amx->frm < pInfo->frm)
{
pInfo->frm = amx->frm;
state = Stack_Push;
} else if (amx->frm > pInfo->frm) {
pInfo->frm = amx->frm;
state = Stack_Pop;
}
}
if (state == Stack_Push)
{
amx_trace *pTrace = amxx_AddTraceCall(pInfo);
pTrace->frm = amx->cip;
} else if (state == Stack_Pop) {
if (amxx_RemTraceCall(pInfo))
{
pInfo->frm = 0;
}
} else if (state == Stack_Same) {
//save the cip
amx_trace *pTrace = pInfo->pTraceFrm;
assert(pTrace != NULL);
pTrace->frm = amx->cip;
}
return AMX_ERR_NONE;
}
int load_amxscript(AMX *amx, void **program, const char *filename, char error[64], int debug)
{
*error = 0;
CAmxxReader reader(filename, PAWN_CELL_SIZE / 8);
if (reader.GetStatus() == CAmxxReader::Err_None)
{
size_t bufSize = reader.GetBufferSize();
if (bufSize != 0)
{
*program = (void*) (new char[bufSize]);
if (!*program)
{
strcpy(error, "Failed to allocate memory");
return (amx->error = AMX_ERR_MEMORY);
}
reader.GetSection(*program);
}
}
switch (reader.GetStatus())
{
case CAmxxReader::Err_None:
break;
case CAmxxReader::Err_FileOpen:
strcpy(error, "Plugin file open error");
return (amx->error = AMX_ERR_NOTFOUND);
case CAmxxReader::Err_FileRead:
strcpy(error, "Plugin file read error");
return (amx->error = AMX_ERR_NOTFOUND);
case CAmxxReader::Err_InvalidParam:
strcpy(error, "Internal error: Invalid parameter");
return (amx->error = AMX_ERR_NOTFOUND);
case CAmxxReader::Err_FileInvalid:
strcpy(error, "Invalid Plugin");
return (amx->error = AMX_ERR_FORMAT);
case CAmxxReader::Err_SectionNotFound:
strcpy(error, "Searched section not found (.amxx)");
return (amx->error = AMX_ERR_NOTFOUND);
case CAmxxReader::Err_DecompressorInit:
strcpy(error, "Decompressor initialization failed");
return (amx->error = AMX_ERR_INIT);
case CAmxxReader::Err_Decompress:
strcpy(error, "Internal error: Decompress");
return (amx->error = AMX_ERR_NOTFOUND);
case CAmxxReader::Err_OldFile:
strcpy(error, "Plugin uses deprecated format. Update compiler");
default:
strcpy(error, "Unknown error");
return (amx->error = AMX_ERR_NOTFOUND);
}
// check for magic
AMX_HEADER *hdr = (AMX_HEADER*)*program;
uint16_t magic = hdr->magic;
amx_Align16(&magic);
if (magic != AMX_MAGIC)
{
strcpy(error, "Invalid Plugin");
return (amx->error = AMX_ERR_FORMAT);
}
int err;
memset(amx, 0, sizeof(*amx));
bool will_be_debugged = false;
tagAMX_DBG *pDbg = NULL;
if ((int)CVAR_GET_FLOAT("amx_debug") >= 2 || debug)
{
if ((hdr->file_version < CUR_FILE_VERSION))
{
sprintf(error, "Plugin needs newer debug version info");
return (amx->error = AMX_ERR_VERSION);
} else if ((hdr->flags & AMX_FLAG_DEBUG) != 0) {
will_be_debugged = true;
char *addr = (char *)hdr + hdr->size;
pDbg = new tagAMX_DBG;
memset(pDbg, 0, sizeof(AMX_DBG));
int err = dbg_LoadInfo(pDbg, addr);
if (err != AMX_ERR_NONE)
{
dbg_FreeInfo(pDbg);
delete pDbg;
sprintf(error, "Debug loading error %d", err);
return (amx->error = AMX_ERR_INIT);
}
amx->flags |= AMX_FLAG_DEBUG;
} else {
sprintf(error,"Plugin not compiled with debug option");
return (amx->error = AMX_ERR_INIT);
}
} else {
#ifdef JIT
//if (hdr->file_version == CUR_FILE_VERSION)
amx->flags |= AMX_FLAG_JITC;
#endif
}
if ((err = amx_Init( amx, *program )) != AMX_ERR_NONE)
{
if (pDbg)
{
dbg_FreeInfo(pDbg);
delete pDbg;
}
sprintf(error,"Load error %d (invalid file format or version)", err);
return (amx->error = AMX_ERR_INIT);
}
AMX_DBGINFO *pInfo = new AMX_DBGINFO;
memset(pInfo, 0, sizeof(AMX_DBGINFO));
amx->userdata[2] = (void *)pInfo;
pInfo->error = AMX_ERR_NONE;
pInfo->pDebug = (void *)pDbg;
if (will_be_debugged)
{
#ifdef JIT
amx->flags |= AMX_FLAG_DEBUG;
#endif
amx_SetDebugHook(amx, amxx_DebugHook);
} else {
//set this again because amx_Init() erases it!
#ifdef JIT
amx->flags |= AMX_FLAG_JITC;
amx->sysreq_d = NULL;
#endif
}
#ifdef JIT
if (amx->flags & AMX_FLAG_JITC)
{
char *np = new char[ amx->code_size ];
char *rt = new char[ amx->reloc_size ];
if ( !np || (!rt && amx->reloc_size > 0) )
{
delete[] np;
delete[] rt;
strcpy(error,"Failed to initialize JIT'd plugin");
return (amx->error = AMX_ERR_INIT);
}
if ( (err = amx_InitJIT(amx, (void *)rt, (void *)np)) == AMX_ERR_NONE )
{
//amx->base = (unsigned char FAR *)realloc( np, amx->code_size );
#ifndef __linux__
amx->base = new unsigned char[ amx->code_size ];
#else
//posix_memalign((void **)&(amx->base), sysconf(_SC_PAGESIZE), amx->code_size);
amx->base = (unsigned char *)memalign(sysconf(_SC_PAGESIZE), amx->code_size);
mprotect((void *)amx->base, amx->code_size, PROT_READ|PROT_WRITE|PROT_EXEC);
#endif
if ( amx->base )
memcpy( amx->base , np , amx->code_size );
delete[] np;
delete[] rt;
char *prg = (char *)(*program);
delete[] prg;
(*program) = amx->base;
if ( *program == 0 ){
strcpy(error,"Failed to allocate memory");
return (amx->error = AMX_ERR_MEMORY);
}
}
else
{
delete[] np;
delete[] rt;
sprintf(error, "Failed to initialize plugin (%d)", err);
return (amx->error = AMX_ERR_INIT_JIT);
}
}
#endif
CScript* aa = new CScript(amx,*program,filename);
if ( aa == 0 )
{
strcpy(error,"Failed to allocate memory");
return (amx->error = AMX_ERR_MEMORY);
}
g_loadedscripts.put( aa );
set_amxnatives(amx,error);
if (g_plugins.m_Finalized)
{
amx_Register(amx, g_plugins.pNatives, -1);
if (CheckModules(amx, error))
{
if ( amx_Register(amx, core_Natives, -1) != AMX_ERR_NONE )
{
sprintf(error, "Plugin uses an unknown function (name \"%s\") - check your modules.ini.", no_function);
return (amx->error = AMX_ERR_NOTFOUND);
}
} else {
return (amx->error = AMX_ERR_NOTFOUND);
}
}
return (amx->error = AMX_ERR_NONE);
}
const char *StrCaseStr(const char *as, const char *bs)
{
static char a[256];
static char b[256];
unsigned int i = 0;
unsigned int len = strlen(as);
if (len > 254)
len = 254;
for (i=0; i<len; i++)
{
a[i] = tolower(as[i]);
}
a[len] = 0;
len = strlen(bs);
if (len > 254)
len = 254;
for (i=0; i<len; i++)
{
b[i] = tolower(bs[i]);
}
b[len] = 0;
return strstr(a,b);
}
//returns 0 for module not found, 1 for "everything's okay"
int CheckModules(AMX *amx, char error[128])
{
int numLibraries = amx_GetLibraries(amx);
char buffer[32];
bool found = false;
bool isdbi = false;
CList<CModule,const char *>::iterator a;
const amxx_module_info_s *info;
for (int i=0; i<numLibraries; i++)
{
amx_GetLibrary(amx, i, buffer, sizeof(buffer)-1);
found = false;
if (stricmp(buffer, "float")==0)
continue;
isdbi = false;
if (stricmp(buffer, "dbi")==0)
isdbi = true;
for (a=g_modules.begin(); a; ++a)
{
if ( (*a).getStatusValue() == MODULE_LOADED )
{
info = (*a).getInfoNew();
if (info)
{
if (isdbi)
{
if (info->logtag
&& (StrCaseStr(info->logtag, "sql")
||
StrCaseStr(info->logtag, "dbi"))
)
{
found = true;
break;
}
} else {
if (info->logtag && (stricmp(info->logtag, buffer) == 0))
{
found = true;
break;
}
}
}
}
}
if (!found)
found = LibraryExists(buffer);
if (!found)
{
sprintf(error, "Module \"%s\" required for plugin. Check modules.ini.", buffer);
return 0;
}
}
return 1;
}
int set_amxnatives(AMX* amx,char error[128])
{
for ( CList<CModule,const char *>::iterator a = g_modules.begin(); a ; ++a )
{
for( CList<AMX_NATIVE_INFO*>::iterator cc =
(*a).m_Natives.begin(); cc; ++cc )
amx_Register(amx, *cc , -1);
}
amx_Register(amx, string_Natives, -1);
amx_Register(amx, float_Natives, -1);
amx_Register(amx, file_Natives, -1);
amx_Register(amx, amxmod_Natives, -1);
amx_Register(amx, power_Natives, -1);
amx_Register(amx, time_Natives, -1);
amx_Register(amx, vault_Natives, -1);
amx_Register(amx, g_NewMenuNatives, -1);
amx_Register(amx, g_NativeNatives, -1);
//we're not actually gonna check these here anymore
amx->flags |= AMX_FLAG_PRENIT;
int idx;
cell retval;
if (amx_FindPublic(amx, "plugin_natives", &idx)==AMX_ERR_NONE)
{
if (amx_Exec(amx, &retval, idx)!=AMX_ERR_NONE)
{
//someday clear libraries that this added
}
}
amx->flags &= ~(AMX_FLAG_PRENIT);
return (amx->error = AMX_ERR_NONE);
}
int unload_amxscript(AMX* amx, void** program)
{
amxx_FreeDebug(amx);
CList<CScript,AMX*>::iterator a = g_loadedscripts.find( amx );
if ( a ) a.remove();
char *prg = (char *)*program;
delete[] prg;
*program = 0;
return AMX_ERR_NONE;
}
AMX* get_amxscript(int id , void** code, const char** filename)
{
CList<CScript,AMX*>::iterator a = g_loadedscripts.begin();
while ( a && id-- )
++a;
if ( a ){
*filename = (*a).getName();
*code = (*a).getCode();
return (*a).getAMX();
}
return 0;
}
const char* get_amxscriptname(AMX* amx)
{
CList<CScript,AMX*>::iterator a = g_loadedscripts.find( amx );
return a ? (*a).getName() : "";
}
void get_modname(char* buffer )
{
strcpy( buffer , g_mod_name.c_str() );
}
char* build_pathname(char *fmt, ... )
{
static char string[256];
int b;
int a = b = snprintf(string , 255 ,
#ifndef __linux__
"%s\\",
#else
"%s/",
#endif
g_mod_name.c_str());
va_list argptr;
va_start (argptr, fmt);
a += vsnprintf (&string[a], 255 - a , fmt,argptr);
string[ a ] = 0;
va_end (argptr);
char* path = &string[b];
while (*path)
{
#ifndef __linux__
if (*path == '/') *path = '\\';
#else
if (*path == '\\') *path = '/';
#endif
++path;
}
return string;
}
char *build_pathname_r(char *buffer, size_t maxlen, char *fmt, ...)
{
snprintf(buffer, maxlen,
#ifdef __linux__
"%s/",
#else
"%s\\",
#endif
g_mod_name.c_str()
);
size_t len = strlen(buffer);
char *ptr = buffer + len;
va_list argptr;
va_start(argptr, fmt);
vsnprintf (ptr, maxlen-len, fmt, argptr);
va_end (argptr);
while (*ptr)
{
#ifndef __linux__
if (*ptr == '/') *ptr = '\\';
#else
if (*ptr == '\\') *ptr = '/';
#endif
++ptr;
}
return buffer;
}
// build pathname based on addons dir
char* build_pathname_addons(char *fmt, ... )
{
static char string[256];
va_list argptr;
va_start (argptr, fmt);
vsnprintf (string, 255, fmt, argptr);
va_end (argptr);
char* path = string;
while (*path)
{
#ifndef __linux__
if (*path == '/') *path = '\\';
#else
if (*path == '\\') *path = '/';
#endif
++path;
}
return string;
}
bool validFile(const char* file)
{
const char* a = 0;
while(*file)
if (*file++=='.')
a = file;
#ifndef __linux__
return (a && !strcmp(a,"dll"));
#else
return (a && !strcmp(a,"so"));
#endif
}
void ConvertModuleName(const char *pathString, String &path)
{
#if PAWN_CELL_SIZE==64
char *ptr = strstr(pathString, "i386");
if (ptr)
{
//attempt to fix the binary name
*ptr = 0;
path.assign(pathString);
path.append("amd64.so");
} else {
ptr = strstr(pathString, ".dll");
if (ptr)
{
*ptr = 0;
path.assign(pathString);
path.append("_amd64.so");
} else {
ptr = strstr(pathString, ".so");
if (ptr)
{
path.assign(pathString);
} else {
//no extension at all
path.assign(pathString);
path.append("_amd64.so");
}
}
}
#else
#ifdef __linux__
char *ptr = strstr(pathString, "amd64");
if (ptr)
{
//attempt to fix the binary name
*ptr = 0;
path.assign(pathString);
path.append("i386.so");
} else {
ptr = strstr(pathString, ".dll");
if (ptr)
{
*ptr = 0;
path.assign(pathString);
path.append("_i386.so");
} else {
//check to see if this file even has an extension
ptr = strstr(pathString, ".so");
if (ptr)
{
path.assign(pathString);
} else {
path.assign(pathString);
path.append("_i386.so");
}
}
}
#else
char *ptr = strstr(pathString, ".dll");
if (ptr)
{
path.assign(pathString);
} else {
//prevent this from loading .so too
ptr = strstr(pathString, ".so");
if (ptr)
{
int i = 0, len = strlen(pathString), c = -1;
for (i=len-1; i>=0; i--)
{
//cut off at first _
if (pathString[i] == '_')
{
//make sure this is a valid _
if (i == len-1 || strncmp(&(pathString[i+1]), "amxx", 4) == 0)
break;
c = i;
break;
}
}
*ptr = 0;
if (c == -1)
{
path.assign(pathString);
path.append(".dll");
} else {
ptr = (char *)&(pathString[c]);
*ptr = 0;
path.assign(pathString);
path.append(".dll");
}
} else {
path.assign(pathString);
path.append(".dll");
}
}
#endif //__linux__
#endif //PAWN_CELL_SIZE==64
}
int loadModules(const char* filename, PLUG_LOADTIME now)
{
FILE *fp = fopen(build_pathname("%s",filename), "rt");
if ( !fp )
{
AMXXLOG_Log( "[AMXX] Modules list not found (file \"%s\")",filename);
return 0;
}
char moduleName[256];
char pathString[512];
String line;
int loaded = 0;
String path;
while (!feof(fp))
{
if (!line._fread(fp) || line.size() < 1)
continue;
line.trim();
*moduleName = 0;
if (sscanf(line.c_str(),"%s",moduleName) == EOF)
continue;
if (moduleName[0] == ';')
continue;
char* pathname = build_pathname("%s/%s", get_localinfo("amxx_modulesdir", "addons/amxmodx/modules"), moduleName);
strcpy(pathString, pathname);
path.assign("");
ConvertModuleName(pathString, path);
if (!validFile(path.c_str()))
continue;
CList<CModule,const char *>::iterator a = g_modules.find( path.c_str() );
if ( a ) continue; // already loaded
CModule* cc = new CModule( path.c_str() );
if ( cc == 0 )
{
fclose(fp);
return loaded;
}
cc->queryModule();
switch( cc->getStatusValue() ) {
case MODULE_BADLOAD:
report_error( 1 , "[AMXX] Module is not a valid library (file \"%s\")", path.c_str());
break;
case MODULE_NOINFO:
report_error( 1 ,"[AMXX] Couldn't find info. about module (file \"%s\")", path.c_str());
break;
case MODULE_NOQUERY:
report_error( 1 , "[AMXX] Couldn't find \"AMX_Query\" or \"AMXX_Query\" (file \"%s\")", path.c_str());
break;
case MODULE_NOATTACH:
report_error( 1 , "[AMXX] Couldn't find \"%s\" (file \"%s\")", cc->isAmxx() ? "AMXX_Attach" : "AMX_Attach", path.c_str());
break;
case MODULE_OLD:
report_error( 1 , "[AMXX] Module has a different interface version (file \"%s\")",path.c_str());
break;
case MODULE_NEWER:
report_error(1, "[AMXX] Module has a newer interface version (file \"%s\"). Please download a new amxmodx.", path.c_str());
break;
case MODULE_INTERROR:
report_error(1, "[AMXX] Internal error during module load (file \"%s\")", path.c_str());
break;
case MODULE_NOT64BIT:
report_error(1, "[AMXX] Module \"%s\" is not 64 bit compatible.", path.c_str());
break;
default:
++loaded;
}
g_modules.put( cc );
#ifndef FAKEMETA
if ( cc->IsMetamod())
{
char* mmpathname = build_pathname_addons("%s/%s", get_localinfo("amxx_modulesdir", "addons/amxmodx/modules"), line.c_str());
ConvertModuleName(mmpathname, path);
cc->attachMetamod(path.c_str(), now);
}
bool retVal = cc->attachModule();
if (cc->isAmxx() && !retVal)
{
switch (cc->getStatusValue())
{
case MODULE_FUNCNOTPRESENT:
report_error(1, "[AMXX] Module requested a not exisitng function (file \"%s\")%s%s%s", cc->getFilename(), cc->getMissingFunc() ? " (func \"" : "",
cc->getMissingFunc() ? cc->getMissingFunc() : "", cc->getMissingFunc() ? "\")" : "");
break;
case MODULE_INTERROR:
report_error(1, "[AMXX] Internal error during module load (file \"%s\")", cc->getFilename());
break;
case MODULE_BADLOAD:
report_error( 1 , "[AMXX] Module is not a valid library (file \"%s\")", cc->getFilename());
break;
default:
break;
}
}
#endif
}
fclose(fp);
return loaded;
}
void detachModules()
{
CList<CModule,const char *>::iterator a = g_modules.begin();
while ( a )
{
(*a).detachModule();
a.remove();
}
}
void detachReloadModules()
{
CList<CModule,const char *>::iterator a = g_modules.begin();
while ( a )
{
#ifdef FAKEMETA
if ( (*a).isReloadable() )
#else
if ( (*a).isReloadable() && !(*a).IsMetamod() )
#endif
{
(*a).detachModule();
a.remove();
continue;
}
++a;
}
}
#ifdef FAKEMETA
void attachModules()
{
CList<CModule,const char *>::iterator a = g_modules.begin();
while ( a )
{
bool retVal = (*a).attachModule();
if ((*a).isAmxx() && !retVal)
{
switch ((*a).getStatusValue())
{
case MODULE_FUNCNOTPRESENT:
report_error(1, "[AMXX] Module requested a not exisitng function (file \"%s\")%s%s%s", (*a).getFilename(), (*a).getMissingFunc() ? " (func \"" : "",
(*a).getMissingFunc() ? (*a).getMissingFunc() : "", (*a).getMissingFunc() ? "\")" : "");
break;
case MODULE_INTERROR:
report_error(1, "[AMXX] Internal error during module load (file \"%s\")", (*a).getFilename());
break;
case MODULE_BADLOAD:
report_error( 1 , "[AMXX] Module is not a valid library (file \"%s\")", (*a).getFilename());
break;
default:
break;
}
}
++a;
}
}
#endif
const char* strip_name( const char* a )
{
const char* ret = a;
while(*a){
if ( *a== '/' || *a=='\\' ){
ret = ++a;
continue;
}
++a;
}
return ret;
}
#ifdef FAKEMETA
void attachMetaModModules(PLUG_LOADTIME now, const char* filename)
{
File fp( build_pathname("%s",filename), "r" );
if ( !fp )
{
AMXXLOG_Log( "[AMXX] Modules list not found (file \"%s\")",filename);
return;
}
char line[256], moduleName[256];
String modPath, mmPath;
DLHANDLE module;
while ( fp.getline( line , 255 ) )
{
*moduleName = 0;
sscanf(line,"%s",moduleName);
if (!isalnum(*moduleName))
continue;
char* pathname = build_pathname("%s/%s", get_localinfo("amxx_modulesdir", "addons/amxmodx/modules"), line);
char* mmpathname = build_pathname_addons("%s/%s", get_localinfo("amxx_modulesdir", "addons/amxmodx/modules"), line);
ConvertModuleName(pathname, modPath);
ConvertModuleName(mmpathname, mmPath);
CList<CFakeMeta::CFakeMetaPlugin>::iterator iter = g_FakeMeta.m_Plugins.begin();
//prevent double loading
int foundFlag = 0;
while (iter)
{
if ( strcmp( (*iter).GetPath(), mmPath.c_str() ) == 0 )
{
foundFlag = 1;
break;
}
++iter;
}
if (foundFlag)
continue;
module = DLLOAD( modPath.c_str() ); // link dll
if ( module )
{
int a = (int)DLPROC(module,"Meta_Attach");
DLFREE(module);
if ( a )
{
g_FakeMeta.AddPlugin(mmPath.c_str());
}
}
}
g_FakeMeta.Meta_Query(gpMetaUtilFuncs);
g_FakeMeta.Meta_Attach(now, gpMetaGlobals, gpGamedllFuncs);
}
#endif
// Get the number of running modules
int countModules(CountModulesMode mode)
{
CList<CModule,const char *>::iterator iter;
int num;
switch (mode)
{
case CountModules_All:
return g_modules.size();
case CountModules_Running:
iter = g_modules.begin();
num = 0;
while (iter)
{
if ((*iter).getStatusValue() == MODULE_LOADED)
++num;
++iter;
}
return num;
case CountModules_Stopped:
iter = g_modules.begin();
num = 0;
while (iter)
{
if ((*iter).getStatusValue() != MODULE_LOADED)
++num;
++iter;
}
return num;
}
return 0;
}
// Call all modules' AMXX_PluginsLoaded functions
void modules_callPluginsLoaded()
{
CList<CModule,const char *>::iterator iter = g_modules.begin();
while (iter)
{
(*iter).CallPluginsLoaded();
++iter;
}
}
// new functions
int MNF_AddNatives(AMX_NATIVE_INFO* natives)
{
CList<CModule,const char *>::iterator a = g_modules.begin();
if (!g_CurrentlyCalledModule || g_ModuleCallReason != ModuleCall_Attach)
return FALSE; // may only be called from attach
// This is needed so that CList can free it ;]
AMX_NATIVE_INFO** pPtr = new AMX_NATIVE_INFO*(natives);
if (!pPtr)
return FALSE;
g_CurrentlyCalledModule->m_Natives.put(pPtr);
return TRUE;
}
const char *MNF_GetModname(void)
{
// :TODO: Do we have to do this??
// I dunno who wrote the above comment but no
#if 0
static char buffer[64];
strcpy(buffer, g_mod_name.c_str());
return buffer;
#endif
return g_mod_name.c_str();
}
AMX *MNF_GetAmxScript(int id)
{
CList<CScript,AMX*>::iterator iter = g_loadedscripts.begin();
while (iter && id--)
++iter;
if (iter == NULL)
return NULL;
return (*iter).getAMX();
}
const char *MNF_GetAmxScriptName(int id)
{
CList<CScript,AMX*>::iterator iter = g_loadedscripts.begin();
while (iter && id--)
++iter;
if (iter == NULL)
return NULL;
return (*iter).getName();
}
int MNF_FindAmxScriptByName(const char *name)
{
CList<CScript,AMX*>::iterator iter = g_loadedscripts.begin();
bool found = false;
int i = 0;
while (iter)
{
if (stricmp((*iter).getName(), name) == 0)
{
found = true;
break;
}
++iter;
++i;
}
if (!found)
return -1;
return i;
}
int MNF_FindAmxScriptByAmx(const AMX *amx)
{
CList<CScript,AMX*>::iterator iter = g_loadedscripts.begin();
bool found = false;
int i = 0;
while (iter)
{
if (amx == (*iter).getAMX())
{
found = true;
break;
}
++iter;
++i;
}
if (!found)
return -1;
return i;
}
char *MNF_GetAmxString(AMX *amx, cell amx_addr, int bufferId, int *pLen)
{
int len;
char *retVal = get_amxstring(amx, amx_addr, bufferId, len);
if (pLen)
*pLen = len;
return retVal;
}
int MNF_GetAmxStringLen(const cell *ptr)
{
register int c = 0;
while(ptr[c])
++c;
return c;
}
char *MNF_FormatAmxString(AMX *amx, cell *params, int startParam, int *pLen)
{
int len;
char *retVal = format_amxstring(amx, params, startParam, len);
if (pLen)
*pLen = len;
return retVal;
}
int MNF_GetPlayerFlags(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
CPlayer *pPlayer = GET_PLAYER_POINTER_I(id);
return (pPlayer->flags[0]);
}
void MNF_CopyAmxMemory(cell * dest, const cell * src, int len)
{
memcpy((void*)dest, (const void *)src, (size_t)len*sizeof(cell));
}
int MNF_IsPlayerValid(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
CPlayer *pPlayer = GET_PLAYER_POINTER_I(id);
return (pPlayer->initialized) ? 1 : 0;
}
const char * MNF_GetPlayerName(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return NULL;
return GET_PLAYER_POINTER_I(id)->name.c_str();
}
const char * MNF_GetPlayerIP(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return NULL;
return GET_PLAYER_POINTER_I(id)->ip.c_str();
}
int MNF_IsPlayerInGame(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return GET_PLAYER_POINTER_I(id)->ingame ? 1 : 0;
}
int MNF_IsPlayerBot(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return GET_PLAYER_POINTER_I(id)->IsBot() ? 1 : 0;
}
int MNF_IsPlayerAuthorized(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return GET_PLAYER_POINTER_I(id)->authorized ? 1 : 0;
}
float MNF_GetPlayerTime(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0.0f;
return GET_PLAYER_POINTER_I(id)->time;
}
float MNF_GetPlayerPlayTime(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0.0f;
return GET_PLAYER_POINTER_I(id)->playtime;
}
int MNF_GetPlayerCurweapon(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return GET_PLAYER_POINTER_I(id)->current;
}
int MNF_GetPlayerTeamID(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return GET_PLAYER_POINTER_I(id)->teamId;
}
int MNF_GetPlayerDeaths(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return GET_PLAYER_POINTER_I(id)->deaths;
}
int MNF_GetPlayerMenu(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return GET_PLAYER_POINTER_I(id)->menu;
}
int MNF_GetPlayerKeys(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return GET_PLAYER_POINTER_I(id)->keys;
}
int MNF_IsPlayerAlive(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return GET_PLAYER_POINTER_I(id)->IsAlive() ? 1 : 0;
}
float MNF_GetPlayerFrags(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0.0f;
return GET_PLAYER_POINTER_I(id)->pEdict->v.frags;
}
int MNF_IsPlayerConnecting(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
CPlayer * pPlayer = GET_PLAYER_POINTER_I(id);
return (!pPlayer->ingame && pPlayer->initialized && (GETPLAYERUSERID(pPlayer->pEdict) > 0)) ? 1 : 0;
}
int MNF_IsPlayerHLTV(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return (GET_PLAYER_POINTER_I(id)->pEdict->v.flags & FL_PROXY) ? 1 : 0;
}
float MNF_GetPlayerArmor(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0.0f;
return (GET_PLAYER_POINTER_I(id)->pEdict->v.armorvalue);
}
float MNF_GetPlayerHealth(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return 0;
return (GET_PLAYER_POINTER_I(id)->pEdict->v.health);
}
void MNF_HiddenStuff()
{
// :TODO:
}
cell MNF_RealToCell(REAL x)
{
return *(cell*)&x;
}
REAL MNF_CellToReal(cell x)
{
return *(REAL*)&x;
}
void MNF_Log(const char *fmt, ...)
{
char msg[3072];
va_list arglst;
va_start(arglst, fmt);
_vsnprintf(msg, sizeof(msg)-1, fmt, arglst);
//vsprintf(msg, fmt, arglst);
va_end(arglst);
AMXXLOG_Log("%s", msg);
}
bool amxx_GetPluginData(AMX *amx, cell addr, long &line, const char *&filename, const char *&function)
{
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)(amx->userdata[2]);
if (pInfo && pInfo->pDebug)
{
AMX_DBG *pDbg = (AMX_DBG *)pInfo->pDebug;
dbg_LookupFunction(pDbg, addr, &function);
dbg_LookupLine(pDbg, addr, &line);
dbg_LookupFile(pDbg, addr, &filename);
return true;
}
return false;
}
//by BAILOPAN
// generic error printing routine
// for pawn 3.0 this is just a wrapper
const char *GenericError(int err)
{
static const char *amx_errs[] =
{
NULL,
"forced exit",
"assertion failed",
"stack error",
"index out of bounds",
"memory access",
"invalid instruction",
"stack low",
"heap low",
"callback",
"native",
"divide",
"sleep",
"invalid access state",
NULL,
NULL,
"out of memory", //16
"bad file format",
"bad file version",
"function not found",
"invalid entry point",
"debugger cannot run",
"plugin un or re-initialized",
"userdata table full",
"JIT failed to initialize",
"parameter error",
"domain error",
};
//does this plugin have line ops?
const char *geterr = NULL;
if (err > 26 || err < 0)
geterr = "";
else
geterr = amx_errs[err];
return geterr;
}
//by BAILOPAN
// debugger engine front end
void LogError(AMX *amx, int err, const char *fmt, ...)
{
//does this plugin have debug info?
va_list arg;
AMX_DBGINFO *pInfo = (AMX_DBGINFO *)(amx->userdata[2]);
const char *name = get_amxscriptname(amx);
static char buf[1024];
static char vbuf[1024];
*buf = 0;
*vbuf = 0;
if (fmt[0] == '\0')
{
_snprintf(vbuf, sizeof(vbuf)-1, "Run time error %d (%s)", err, GenericError(err));
} else {
va_start(arg, fmt);
vsprintf(vbuf, fmt, arg);
va_end(arg);
}
bool invalidate = false;
AMXXLOG_Log("[AMXX] %s", vbuf);
if (!pInfo || !(amx->flags & AMX_FLAG_DEBUG) || !pInfo->pDebug)
{
AMXXLOG_Log("[AMXX] Debug is not enabled (plugin \"%s\")", name);
invalidate = true;
} else {
long line;
const char *filename = NULL;
const char *function = NULL;
amx_trace *pTrace = pInfo->pTraceFrm;
int i=0, iLine;
cell frame;
AMXXLOG_Log("[AMXX] Displaying call trace (plugin \"%s\")", name);
while (pTrace)
{
frame = pTrace->frm;
if (amxx_GetPluginData(amx, frame, line, filename, function))
{
//line seems to be 1 off o_O
iLine = static_cast<int>(line) + 1;
AMXXLOG_Log("[AMXX] [%d] %s::%s (line %d)",
i,
filename?filename:"",
function?function:"",
iLine
);
}
pTrace->used = false;
pTrace = pTrace->prev;
i++;
}
//by now we have already invalidated
pInfo->pTraceFrm = NULL;
pInfo->frm = 0;
}
if (invalidate)
amxx_InvalidateTrace(amx);
//set these so ForwardMngr knows not to call us again
//This will also halt the script!
amx->error = err;
pInfo->error = err;
}
void MNF_MergeDefinitionFile(const char *file)
{
g_langMngr.MergeDefinitionFile(file);
}
edict_t* MNF_GetPlayerEdict(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return NULL;
return (GET_PLAYER_POINTER_I(id)->pEdict);
}
const char *MNF_Format(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
const char *retVal = g_langMngr.FormatString(fmt, ap);
va_end(ap);
return retVal;
}
const char *MNF_GetPlayerTeam(int id)
{
if (id < 1 || id > gpGlobals->maxClients)
return NULL;
return (GET_PLAYER_POINTER_I(id)->team.c_str());
}
#ifndef MEMORY_TEST
void *MNF_Allocator(const char *sourceFile, const unsigned int sourceLine, const char *sourceFunc, const unsigned int allocationType, const size_t reportedSize)
{
return malloc(reportedSize);
}
void *MNF_Reallocator(const char *sourceFile, const unsigned int sourceLine, const char *sourceFunc, const unsigned int reallocationType, const size_t reportedSize, void *reportedAddress)
{
return realloc(reportedAddress, reportedSize);
}
void MNF_Deallocator(const char *sourceFile, const unsigned int sourceLine, const char *sourceFunc, const unsigned int deallocationType, void *reportedAddress)
{
free(reportedAddress);
}
#endif
// 09/18/2004 : added these two funcs that default to copyBack=false so we don't break all modules
cell MNF_PrepareCellArray(cell *ptr, unsigned int size)
{
return prepareCellArray(ptr, size, false);
}
cell MNF_PrepareCharArray(char *ptr, unsigned int size)
{
return prepareCharArray(ptr, size, false);
}
inline bool operator ==(func_s &arg1, const char *desc)
{
if (strcmp(arg1.desc, desc) == 0)
return true;
return false;
}
CList<func_s, const char *> g_functions;
// Fnptr Request function for the new interface
const char *g_LastRequestedFunc = NULL;
#define REGISTER_FUNC(name, func) \
{ \
pFunc = new func_s; \
pFunc->pfn = (void *)func; \
pFunc->desc = name; \
g_functions.put(pFunc); \
}
void MNF_RegisterFunction(void *pfn, const char *description)
{
func_s *pFunc;
REGISTER_FUNC(description, pfn);
}
void Module_UncacheFunctions()
{
g_functions.clear();
}
int amx_Execv()
{
return AMX_ERR_NOTFOUND;
}
void Module_CacheFunctions()
{
func_s *pFunc;
REGISTER_FUNC("BuildPathname", build_pathname)
REGISTER_FUNC("BuildPathnameR", build_pathname_r)
REGISTER_FUNC("PrintSrvConsole", print_srvconsole)
REGISTER_FUNC("GetModname", MNF_GetModname)
REGISTER_FUNC("Log", MNF_Log)
REGISTER_FUNC("LogError", LogError)
REGISTER_FUNC("MergeDefinitionFile", MNF_MergeDefinitionFile)
REGISTER_FUNC("Format", MNF_Format)
REGISTER_FUNC("RegisterFunction", MNF_RegisterFunction);
// Amx scripts loading / unloading / managing
REGISTER_FUNC("GetAmxScript", MNF_GetAmxScript)
REGISTER_FUNC("GetAmxScriptName", MNF_GetAmxScriptName)
REGISTER_FUNC("FindAmxScriptByName", MNF_FindAmxScriptByName)
REGISTER_FUNC("FindAmxScriptByAmx", MNF_FindAmxScriptByAmx)
REGISTER_FUNC("LoadAmxScript", load_amxscript)
REGISTER_FUNC("UnloadAmxScript", unload_amxscript)
// String / mem in amx scripts support
REGISTER_FUNC("SetAmxString", set_amxstring)
REGISTER_FUNC("GetAmxString", MNF_GetAmxString)
REGISTER_FUNC("GetAmxStringLen", MNF_GetAmxStringLen)
REGISTER_FUNC("FormatAmxString", MNF_FormatAmxString)
REGISTER_FUNC("CopyAmxMemory", MNF_CopyAmxMemory)
REGISTER_FUNC("GetAmxAddr", get_amxaddr)
// other amx stuff
REGISTER_FUNC("amx_Exec", amx_Exec)
REGISTER_FUNC("amx_Push", amx_Push)
REGISTER_FUNC("amx_Execv", amx_Execv) //I HOPE NO ONE USES THIS!!!!
REGISTER_FUNC("amx_Allot", amx_Allot)
REGISTER_FUNC("amx_FindPublic", amx_FindPublic)
REGISTER_FUNC("amx_FindNative", amx_FindNative)
// Natives / Forwards
REGISTER_FUNC("AddNatives", MNF_AddNatives)
REGISTER_FUNC("RaiseAmxError", amx_RaiseError)
REGISTER_FUNC("RegisterForward", registerForward)
REGISTER_FUNC("RegisterSPForward", registerSPForward)
REGISTER_FUNC("RegisterSPForwardByName", registerSPForwardByName)
REGISTER_FUNC("UnregisterSPForward", unregisterSPForward)
REGISTER_FUNC("ExecuteForward", executeForwards)
REGISTER_FUNC("PrepareCellArray", MNF_PrepareCellArray)
REGISTER_FUNC("PrepareCharArray", MNF_PrepareCharArray)
REGISTER_FUNC("PrepareCellArrayA", prepareCellArray)
REGISTER_FUNC("PrepareCharArrayA", prepareCharArray)
// Player
REGISTER_FUNC("GetPlayerFlags", MNF_GetPlayerFlags)
REGISTER_FUNC("IsPlayerValid", MNF_IsPlayerValid)
REGISTER_FUNC("GetPlayerName", MNF_GetPlayerName)
REGISTER_FUNC("GetPlayerIP", MNF_GetPlayerIP)
REGISTER_FUNC("IsPlayerInGame", MNF_IsPlayerInGame)
REGISTER_FUNC("IsPlayerBot", MNF_IsPlayerBot)
REGISTER_FUNC("IsPlayerAuthorized", MNF_IsPlayerAuthorized)
REGISTER_FUNC("GetPlayerTime", MNF_GetPlayerTime)
REGISTER_FUNC("GetPlayerPlayTime", MNF_GetPlayerPlayTime)
REGISTER_FUNC("GetPlayerCurweapon", MNF_GetPlayerCurweapon)
REGISTER_FUNC("GetPlayerTeamID", MNF_GetPlayerTeamID)
REGISTER_FUNC("GetPlayerTeam", MNF_GetPlayerTeam)
REGISTER_FUNC("GetPlayerDeaths", MNF_GetPlayerDeaths)
REGISTER_FUNC("GetPlayerFrags", MNF_GetPlayerFrags)
REGISTER_FUNC("GetPlayerMenu", MNF_GetPlayerMenu)
REGISTER_FUNC("GetPlayerKeys", MNF_GetPlayerKeys)
REGISTER_FUNC("IsPlayerAlive", MNF_IsPlayerAlive)
REGISTER_FUNC("IsPlayerConnecting", MNF_IsPlayerConnecting)
REGISTER_FUNC("IsPlayerHLTV", MNF_IsPlayerHLTV)
REGISTER_FUNC("GetPlayerArmor", MNF_GetPlayerArmor)
REGISTER_FUNC("GetPlayerHealth", MNF_GetPlayerHealth)
REGISTER_FUNC("GetPlayerEdict", MNF_GetPlayerEdict)
REGISTER_FUNC("CellToReal", MNF_CellToReal)
REGISTER_FUNC("RealToCell", MNF_RealToCell)
#ifdef MEMORY_TEST
REGISTER_FUNC("Allocator", m_allocator)
REGISTER_FUNC("Deallocator", m_deallocator)
REGISTER_FUNC("Reallocator", m_reallocator)
#else
REGISTER_FUNC("Allocator", MNF_Allocator)
REGISTER_FUNC("Deallocator", MNF_Deallocator)
REGISTER_FUNC("Reallocator", MNF_Reallocator)
#endif // MEMORY_TEST
REGISTER_FUNC("Haha_HiddenStuff", MNF_HiddenStuff)
}
void *Module_ReqFnptr(const char *funcName)
{
// code
// ^---- really? wow!
if (!g_CurrentlyCalledModule)
{
return NULL;
}
g_LastRequestedFunc = funcName;
CList<func_s, const char *>::iterator iter;
for (iter = g_functions.begin(); iter; ++iter)
{
if (strcmp(funcName, iter->desc) == 0)
return iter->pfn;
}
return NULL;
}
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