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- moved gamedata out of "configs"

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- added signature scanning to gameconfs
- renamed "*" to "#default" in gameconfs
- added new inheritance feature to gameconfs

--HG--
rename : configs/gamedata/core.games.txt => gamedata/core.games.txt
rename : configs/gamedata/sdktools.games.txt => gamedata/sdktools.games.txt
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40953
This commit is contained in:
David Anderson 2007-06-16 05:42:16 +00:00
parent fa92af4907
commit b706a6990c
5 changed files with 216 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

206
core/GameConfigs.cpp
View File

@ -22,6 +22,12 @@
#include "HalfLife2.h"
#include "Logger.h"
#include "ShareSys.h"
#include "MemoryUtils.h"
#include "LibrarySys.h"
#if defined PLATFORM_LINUX
#include <dlfcn.h>
#endif
GameConfigManager g_GameConfigs;
IGameConfig *g_pGameConf = NULL;
@ -33,6 +39,9 @@ char g_mod[255];
#define PSTATE_GAMEDEFS_OFFSETS 3
#define PSTATE_GAMEDEFS_OFFSETS_OFFSET 4
#define PSTATE_GAMEDEFS_KEYS 5
#define PSTATE_GAMEDEFS_SUPPORTED 6
#define PSTATE_GAMEDEFS_SIGNATURES 7
#define PSTATE_GAMEDEFS_SIGNATURES_SIG 8
#if defined PLATFORM_WINDOWS
#define PLATFORM_NAME "windows"
@ -40,12 +49,24 @@ char g_mod[255];
#define PLATFORM_NAME "linux"
#endif
struct TempSigInfo
{
void Reset()
{
library[0] = '\0';
sig[0] = '\0';
}
char sig[512];
char library[64];
} s_TempSig;
CGameConfig::CGameConfig(const char *file)
{
m_pFile = sm_strdup(file);
m_pOffsets = sm_trie_create();
m_pProps = sm_trie_create();
m_pKeys = sm_trie_create();
m_pSigs = sm_trie_create();
m_pStrings = new BaseStringTable(512);
m_RefCount = 0;
}
@ -55,6 +76,7 @@ CGameConfig::~CGameConfig()
sm_trie_destroy(m_pOffsets);
sm_trie_destroy(m_pProps);
sm_trie_destroy(m_pKeys);
sm_trie_destroy(m_pSigs);
delete [] m_pFile;
delete m_pStrings;
}
@ -66,6 +88,7 @@ SMCParseResult CGameConfig::ReadSMC_NewSection(const char *name, bool opt_quotes
m_IgnoreLevel++;
return SMCParse_Continue;
}
switch (m_ParseState)
{
case PSTATE_NONE:
@ -81,6 +104,7 @@ SMCParseResult CGameConfig::ReadSMC_NewSection(const char *name, bool opt_quotes
case PSTATE_GAMES:
{
if ((strcmp(name, "*") == 0)
|| (strcmp(name, "#default") == 0)
|| (strcmp(name, g_mod) == 0))
{
m_ParseState = PSTATE_GAMEDEFS;
@ -95,9 +119,24 @@ SMCParseResult CGameConfig::ReadSMC_NewSection(const char *name, bool opt_quotes
if (strcmp(name, "Offsets") == 0)
{
m_ParseState = PSTATE_GAMEDEFS_OFFSETS;
} else if (strcmp(name, "Keys") == 0) {
}
else if (strcmp(name, "Keys") == 0)
{
m_ParseState = PSTATE_GAMEDEFS_KEYS;
} else {
}
else if ((strcmp(name, "#supported") == 0)
&& (strcmp(m_mod, "#default") == 0))
{
m_ParseState = PSTATE_GAMEDEFS_SUPPORTED;
/* Ignore this section unless we get a game. */
bShouldBeReadingDefault = false;
}
else if (strcmp(name, "Signatures") == 0)
{
m_ParseState = PSTATE_GAMEDEFS_SIGNATURES;
}
else
{
m_IgnoreLevel++;
}
break;
@ -110,9 +149,18 @@ SMCParseResult CGameConfig::ReadSMC_NewSection(const char *name, bool opt_quotes
m_ParseState = PSTATE_GAMEDEFS_OFFSETS_OFFSET;
break;
}
case PSTATE_GAMEDEFS_SIGNATURES:
{
strncopy(m_offset, name, sizeof(m_offset));
s_TempSig.Reset();
m_ParseState = PSTATE_GAMEDEFS_SIGNATURES_SIG;
break;
}
/* No sub-sections allowed:
case PSTATE_GAMEDEFS_OFFSETS_OFFSET:
case PSTATE_GAMEDEFS_KEYS:
case PSTATE_GAMEDEFS_SUPPORTED:
case PSTATE_GAMEDEFS_SIGNATURES_SIG:
*/
default:
{
@ -146,6 +194,19 @@ SMCParseResult CGameConfig::ReadSMC_KeyValue(const char *key, const char *value,
} else if (m_ParseState == PSTATE_GAMEDEFS_KEYS) {
int id = m_pStrings->AddString(value);
sm_trie_insert(m_pKeys, key, (void *)id);
} else if (m_ParseState == PSTATE_GAMEDEFS_SUPPORTED) {
if (strcmp(key, "game") == 0
&& strcmp(value, g_mod) == 0)
{
bShouldBeReadingDefault = true;
}
} else if (m_ParseState == PSTATE_GAMEDEFS_SIGNATURES_SIG) {
if (strcmp(key, PLATFORM_NAME) == 0)
{
strncopy(s_TempSig.sig, value, sizeof(s_TempSig.sig));
} else if (strcmp(key, "library") == 0) {
strncopy(s_TempSig.library, value, sizeof(s_TempSig.library));
}
}
return SMCParse_Continue;
@ -191,7 +252,7 @@ SMCParseResult CGameConfig::ReadSMC_LeavingSection()
sm_trie_insert(m_pProps, m_offset, pProp);
} else {
/* Check if it's a non-default game and no offsets exist */
if ((strcmp(m_mod, "*") != 0)
if (((strcmp(m_mod, "*") != 0) && strcmp(m_mod, "#default") != 0)
&& (!sm_trie_retrieve(m_pOffsets, m_offset, NULL)))
{
g_Logger.LogError("[SM] Unable to find property %s.%s (file \"%s\") (mod \"%s\")",
@ -203,6 +264,132 @@ SMCParseResult CGameConfig::ReadSMC_LeavingSection()
}
}
m_ParseState = PSTATE_GAMEDEFS_OFFSETS;
break;
}
case PSTATE_GAMEDEFS_SUPPORTED:
{
if (!bShouldBeReadingDefault)
{
/* If we shouldn't read the rest of this section, set the ignore level. */
m_IgnoreLevel = 1;
}
m_ParseState = PSTATE_GAMEDEFS;
break;
}
case PSTATE_GAMEDEFS_SIGNATURES_SIG:
{
if (s_TempSig.library[0] == '\0')
{
/* assume server */
strncopy(s_TempSig.library, "server", sizeof(s_TempSig.library));
}
void *addrInBase = NULL;
if (strcmp(s_TempSig.library, "server") == 0)
{
addrInBase = g_SMAPI->serverFactory(false);
} else if (strcmp(s_TempSig.library, "engine") == 0) {
addrInBase = g_SMAPI->engineFactory(false);
}
void *final_addr = NULL;
if (addrInBase == NULL)
{
g_Logger.LogError("[SM] Unrecognized library \"%s\" (gameconf \"%s\")",
s_TempSig.library,
m_pFile);
} else {
#if defined PLATFORM_LINUX
if (s_TempSig.sig_lin[0] == '@')
{
Dl_info info;
/* GNU only: returns 0 on error, inconsistent! >:[ */
if (dladdr(addrInBase, &info) == 0)
{
void *handle = dlopen(info.dli_fname, RTLD_NOW);
if (handle)
{
final_addr = dlsym(handle, &s_TempSig.sig_lin[1]);
dlclose(handle);
} else {
g_Logger.LogError("[SM] Unable to load library \"%s\" (gameconf \"%s\")",
s_TempSig.library,
m_pFile);
}
} else {
g_Logger.LogError("[SM] Unable to find library \"%s\" in memory (gameconf \"%s\")",
s_TempSig.library,
m_pFile);
}
if (!final_addr)
{
g_Logger.LogError("[SM] Unable to find named symbol (symbol \"%s\") (library \"%s\") (gameconf \"%s\")",
&s_TempSig.sig_lin[1],
s_TempSig.library,
m_pFile);
}
}
if (final_addr)
{
goto skip_find;
}
#endif
/* First, preprocess the signature */
char real_sig[255];
size_t real_bytes;
size_t length;
real_bytes = 0;
length = strlen(s_TempSig.sig);
for (size_t i=0; i<length; i++)
{
if (real_bytes >= sizeof(real_sig))
{
break;
}
real_sig[real_bytes++] = s_TempSig.sig[i];
if (s_TempSig.sig[i] == '\\'
&& s_TempSig.sig[i+1] == 'x')
{
if (i + 3 >= length)
{
continue;
}
/* Get the hex part */
char s_byte[3];
int r_byte;
s_byte[0] = s_TempSig.sig[i+2];
s_byte[1] = s_TempSig.sig[i+3];
s_byte[2] = '\0';
/* Read it as an integer */
sscanf(s_byte, "%x", &r_byte);
/* Save the value */
real_sig[real_bytes-1] = r_byte;
/* Adjust index */
i += 3;
}
}
if (real_bytes < 1)
{
g_Logger.LogError("[SM] Invalid signature length of 1 (name \"%s\") (gameconf \"%s\")",
m_offset,
m_pFile);
} else {
final_addr = g_MemUtils.FindPattern(addrInBase, real_sig, real_bytes);
if (!final_addr)
{
g_Logger.LogError("[SM] Unable to find signature (name \"%s\") (gameconf \"%s\")",
m_offset,
m_pFile);
}
}
}
#if defined PLATFORM_LINUX
skip_find:
#endif
sm_trie_insert(m_pSigs, m_offset, final_addr);
break;
}
}
@ -215,10 +402,16 @@ bool CGameConfig::Reparse(char *error, size_t maxlength)
SMCParseError err;
char path[PLATFORM_MAX_PATH];
g_SourceMod.BuildPath(Path_SM, path, sizeof(path), "configs/gamedata/%s.txt", m_pFile);
g_SourceMod.BuildPath(Path_SM, path, sizeof(path), "gamedata/%s.txt", m_pFile);
/* Backwards compatibility */
if (!g_LibSys.PathExists(path))
{
g_SourceMod.BuildPath(Path_SM, path, sizeof(path), "configs/gamedata/%s.txt", m_pFile);
}
/* Initialize parse states */
m_IgnoreLevel = 0;
bShouldBeReadingDefault = true;
m_ParseState = PSTATE_NONE;
/* Reset cached data */
m_pStrings->Reset();
@ -276,6 +469,11 @@ SendProp *CGameConfig::GetSendProp(const char *key)
return pProp;
}
bool CGameConfig::GetMemSig(const char *key, void **addr)
{
return sm_trie_retrieve(m_pSigs, key, addr);
}
void CGameConfig::IncRefCount()
{
m_RefCount++;

3
core/GameConfigs.h
View File

@ -44,6 +44,7 @@ public: //IGameConfig
const char *GetKeyValue(const char *key);
bool GetOffset(const char *key, int *value);
SendProp *GetSendProp(const char *key);
bool GetMemSig(const char *key, void **addr);
public:
void IncRefCount();
unsigned int DecRefCount();
@ -53,6 +54,7 @@ private:
Trie *m_pOffsets;
Trie *m_pProps;
Trie *m_pKeys;
Trie *m_pSigs;
unsigned int m_RefCount;
/* Parse states */
int m_ParseState;
@ -61,6 +63,7 @@ private:
char m_prop[64];
char m_offset[64];
char m_mod[255];
bool bShouldBeReadingDefault;
};
class GameConfigManager :

0
configs/gamedata/core.games.txt → gamedata/core.games.txt
View File

0
configs/gamedata/sdktools.games.txt → gamedata/sdktools.games.txt
View File

12
public/IGameConfigs.h
View File

@ -27,7 +27,7 @@
*/
#define SMINTERFACE_GAMECONFIG_NAME "IGameConfigManager"
#define SMINTERFACE_GAMECONFIG_VERSION 1
#define SMINTERFACE_GAMECONFIG_VERSION 2
class SendProp;
@ -63,6 +63,16 @@ namespace SourceMod
* @return String containing the value, or NULL if not found.
*/
virtual const char *GetKeyValue(const char *key) =0;
/**
* @brief Retrieves a cached memory signature.
*
* @param key Name of the signature.
* @param addr Pointer to store the memory address in.
* @return A MemorySignature pointer on success, or NULL
* if the key was not found.
*/
virtual bool GetMemSig(const char *key, void **addr) =0;
};
/**